Error message

• Warning: Undefined array key 0 in Drupal\esri_widgets\Plugin\views\filter\RelatedContentLocationCity->generateOptions() (line 105 of modules/custom/esri_widgets/src/Plugin/views/filter/RelatedContentLocationCity.php).

  Drupal\esri_widgets\Plugin\views\filter\RelatedContentLocationCity->generateOptions()
  call_user_func(Array) (Line: 71)
  Drupal\views\Plugin\views\filter\InOperator->getValueOptions() (Line: 183)
  Drupal\views\Plugin\views\filter\InOperator->valueForm(Array, Object) (Line: 109)
  Drupal\views\Plugin\views\filter\ManyToOne->valueForm(Array, Object) (Line: 939)
  Drupal\views\Plugin\views\filter\FilterPluginBase->buildExposedForm(Array, Object) (Line: 111)
  Drupal\views\Form\ViewsExposedForm->buildForm(Array, Object)
  call_user_func_array(Array, Array) (Line: 531)
  Drupal\Core\Form\FormBuilder->retrieveForm('views_exposed_form', Object) (Line: 278)
  Drupal\Core\Form\FormBuilder->buildForm('\Drupal\views\Form\ViewsExposedForm', Object) (Line: 134)
  Drupal\views\Plugin\views\exposed_form\ExposedFormPluginBase->renderExposedForm() (Line: 1241)
  Drupal\views\ViewExecutable->build(NULL) (Line: 1394)
  Drupal\views\ViewExecutable->execute(NULL) (Line: 1457)
  Drupal\views\ViewExecutable->render() (Line: 131)
  Drupal\views\Plugin\views\display\Block->execute() (Line: 1633)
  Drupal\views\ViewExecutable->executeDisplay('block_1', Array) (Line: 81)
  Drupal\views\Element\View::preRenderViewElement(Array) (Line: 59)
  Drupal\views\Plugin\Block\ViewsBlock->build() (Line: 90)
  Drupal\ds\Plugin\DsField\BlockBase->build() (Line: 364)
  ds_entity_view_alter(Array, Object, Object) (Line: 562)
  Drupal\Core\Extension\ModuleHandler->alter('node_view', Array, Object, Object) (Line: 305)
  Drupal\Core\Entity\EntityViewBuilder->buildMultiple(Array) (Line: 239)
  Drupal\Core\Entity\EntityViewBuilder->build(Array)
  call_user_func_array(Array, Array) (Line: 101)
  Drupal\Core\Render\Renderer->doTrustedCallback(Array, Array, 'Render #pre_render callbacks must be methods of a class that implements \Drupal\Core\Security\TrustedCallbackInterface or be an anonymous function. The callback was %s. See https://www.drupal.org/node/2966725', 'exception', 'Drupal\Core\Render\Element\RenderCallbackInterface') (Line: 772)
  Drupal\Core\Render\Renderer->doCallback('#pre_render', Array, Array) (Line: 363)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array, ) (Line: 241)
  Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 564)
  Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 242)
  Drupal\Core\Render\MainContent\HtmlRenderer->prepare(Array, Object, Object) (Line: 132)
  Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object, Object) (Line: 90)
  Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object, 'kernel.view', Object)
  call_user_func(Array, Object, 'kernel.view', Object) (Line: 142)
  Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch(Object, 'kernel.view') (Line: 174)
  Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 81)
  Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 58)
  Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 50)
  Drupal\ban\BanMiddleware->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51)
  Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 23)
  Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 709)
  Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
  

• Warning: Trying to access array offset on value of type null in Drupal\esri_widgets\Plugin\views\filter\RelatedContentLocationCity->generateOptions() (line 105 of modules/custom/esri_widgets/src/Plugin/views/filter/RelatedContentLocationCity.php).

  Drupal\esri_widgets\Plugin\views\filter\RelatedContentLocationCity->generateOptions()
  call_user_func(Array) (Line: 71)
  Drupal\views\Plugin\views\filter\InOperator->getValueOptions() (Line: 183)
  Drupal\views\Plugin\views\filter\InOperator->valueForm(Array, Object) (Line: 109)
  Drupal\views\Plugin\views\filter\ManyToOne->valueForm(Array, Object) (Line: 939)
  Drupal\views\Plugin\views\filter\FilterPluginBase->buildExposedForm(Array, Object) (Line: 111)
  Drupal\views\Form\ViewsExposedForm->buildForm(Array, Object)
  call_user_func_array(Array, Array) (Line: 531)
  Drupal\Core\Form\FormBuilder->retrieveForm('views_exposed_form', Object) (Line: 278)
  Drupal\Core\Form\FormBuilder->buildForm('\Drupal\views\Form\ViewsExposedForm', Object) (Line: 134)
  Drupal\views\Plugin\views\exposed_form\ExposedFormPluginBase->renderExposedForm() (Line: 1241)
  Drupal\views\ViewExecutable->build(NULL) (Line: 1394)
  Drupal\views\ViewExecutable->execute(NULL) (Line: 1457)
  Drupal\views\ViewExecutable->render() (Line: 131)
  Drupal\views\Plugin\views\display\Block->execute() (Line: 1633)
  Drupal\views\ViewExecutable->executeDisplay('block_1', Array) (Line: 81)
  Drupal\views\Element\View::preRenderViewElement(Array) (Line: 59)
  Drupal\views\Plugin\Block\ViewsBlock->build() (Line: 90)
  Drupal\ds\Plugin\DsField\BlockBase->build() (Line: 364)
  ds_entity_view_alter(Array, Object, Object) (Line: 562)
  Drupal\Core\Extension\ModuleHandler->alter('node_view', Array, Object, Object) (Line: 305)
  Drupal\Core\Entity\EntityViewBuilder->buildMultiple(Array) (Line: 239)
  Drupal\Core\Entity\EntityViewBuilder->build(Array)
  call_user_func_array(Array, Array) (Line: 101)
  Drupal\Core\Render\Renderer->doTrustedCallback(Array, Array, 'Render #pre_render callbacks must be methods of a class that implements \Drupal\Core\Security\TrustedCallbackInterface or be an anonymous function. The callback was %s. See https://www.drupal.org/node/2966725', 'exception', 'Drupal\Core\Render\Element\RenderCallbackInterface') (Line: 772)
  Drupal\Core\Render\Renderer->doCallback('#pre_render', Array, Array) (Line: 363)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array, ) (Line: 241)
  Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 564)
  Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 242)
  Drupal\Core\Render\MainContent\HtmlRenderer->prepare(Array, Object, Object) (Line: 132)
  Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object, Object) (Line: 90)
  Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object, 'kernel.view', Object)
  call_user_func(Array, Object, 'kernel.view', Object) (Line: 142)
  Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch(Object, 'kernel.view') (Line: 174)
  Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 81)
  Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 58)
  Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 50)
  Drupal\ban\BanMiddleware->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51)
  Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 23)
  Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 709)
  Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
  

• Warning: Undefined array key 0 in Drupal\esri_widgets\Plugin\views\filter\RelatedContentLocationCity->generateOptions() (line 105 of modules/custom/esri_widgets/src/Plugin/views/filter/RelatedContentLocationCity.php).

  Drupal\esri_widgets\Plugin\views\filter\RelatedContentLocationCity->generateOptions()
  call_user_func(Array) (Line: 71)
  Drupal\views\Plugin\views\filter\InOperator->getValueOptions() (Line: 183)
  Drupal\views\Plugin\views\filter\InOperator->valueForm(Array, Object) (Line: 109)
  Drupal\views\Plugin\views\filter\ManyToOne->valueForm(Array, Object) (Line: 939)
  Drupal\views\Plugin\views\filter\FilterPluginBase->buildExposedForm(Array, Object) (Line: 111)
  Drupal\views\Form\ViewsExposedForm->buildForm(Array, Object)
  call_user_func_array(Array, Array) (Line: 531)
  Drupal\Core\Form\FormBuilder->retrieveForm('views_exposed_form', Object) (Line: 278)
  Drupal\Core\Form\FormBuilder->buildForm('\Drupal\views\Form\ViewsExposedForm', Object) (Line: 134)
  Drupal\views\Plugin\views\exposed_form\ExposedFormPluginBase->renderExposedForm() (Line: 1241)
  Drupal\views\ViewExecutable->build(NULL) (Line: 1394)
  Drupal\views\ViewExecutable->execute(NULL) (Line: 1457)
  Drupal\views\ViewExecutable->render() (Line: 131)
  Drupal\views\Plugin\views\display\Block->execute() (Line: 1633)
  Drupal\views\ViewExecutable->executeDisplay('block_1', Array) (Line: 81)
  Drupal\views\Element\View::preRenderViewElement(Array) (Line: 59)
  Drupal\views\Plugin\Block\ViewsBlock->build() (Line: 90)
  Drupal\ds\Plugin\DsField\BlockBase->build() (Line: 364)
  ds_entity_view_alter(Array, Object, Object) (Line: 562)
  Drupal\Core\Extension\ModuleHandler->alter('node_view', Array, Object, Object) (Line: 305)
  Drupal\Core\Entity\EntityViewBuilder->buildMultiple(Array) (Line: 239)
  Drupal\Core\Entity\EntityViewBuilder->build(Array)
  call_user_func_array(Array, Array) (Line: 101)
  Drupal\Core\Render\Renderer->doTrustedCallback(Array, Array, 'Render #pre_render callbacks must be methods of a class that implements \Drupal\Core\Security\TrustedCallbackInterface or be an anonymous function. The callback was %s. See https://www.drupal.org/node/2966725', 'exception', 'Drupal\Core\Render\Element\RenderCallbackInterface') (Line: 772)
  Drupal\Core\Render\Renderer->doCallback('#pre_render', Array, Array) (Line: 363)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array, ) (Line: 241)
  Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 564)
  Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 242)
  Drupal\Core\Render\MainContent\HtmlRenderer->prepare(Array, Object, Object) (Line: 132)
  Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object, Object) (Line: 90)
  Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object, 'kernel.view', Object)
  call_user_func(Array, Object, 'kernel.view', Object) (Line: 142)
  Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch(Object, 'kernel.view') (Line: 174)
  Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 81)
  Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 58)
  Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 50)
  Drupal\ban\BanMiddleware->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51)
  Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 23)
  Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 709)
  Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
  

• Warning: Trying to access array offset on value of type null in Drupal\esri_widgets\Plugin\views\filter\RelatedContentLocationCity->generateOptions() (line 105 of modules/custom/esri_widgets/src/Plugin/views/filter/RelatedContentLocationCity.php).

  Drupal\esri_widgets\Plugin\views\filter\RelatedContentLocationCity->generateOptions()
  call_user_func(Array) (Line: 71)
  Drupal\views\Plugin\views\filter\InOperator->getValueOptions() (Line: 183)
  Drupal\views\Plugin\views\filter\InOperator->valueForm(Array, Object) (Line: 109)
  Drupal\views\Plugin\views\filter\ManyToOne->valueForm(Array, Object) (Line: 939)
  Drupal\views\Plugin\views\filter\FilterPluginBase->buildExposedForm(Array, Object) (Line: 111)
  Drupal\views\Form\ViewsExposedForm->buildForm(Array, Object)
  call_user_func_array(Array, Array) (Line: 531)
  Drupal\Core\Form\FormBuilder->retrieveForm('views_exposed_form', Object) (Line: 278)
  Drupal\Core\Form\FormBuilder->buildForm('\Drupal\views\Form\ViewsExposedForm', Object) (Line: 134)
  Drupal\views\Plugin\views\exposed_form\ExposedFormPluginBase->renderExposedForm() (Line: 1241)
  Drupal\views\ViewExecutable->build(NULL) (Line: 1394)
  Drupal\views\ViewExecutable->execute(NULL) (Line: 1457)
  Drupal\views\ViewExecutable->render() (Line: 131)
  Drupal\views\Plugin\views\display\Block->execute() (Line: 1633)
  Drupal\views\ViewExecutable->executeDisplay('block_1', Array) (Line: 81)
  Drupal\views\Element\View::preRenderViewElement(Array) (Line: 59)
  Drupal\views\Plugin\Block\ViewsBlock->build() (Line: 90)
  Drupal\ds\Plugin\DsField\BlockBase->build() (Line: 364)
  ds_entity_view_alter(Array, Object, Object) (Line: 562)
  Drupal\Core\Extension\ModuleHandler->alter('node_view', Array, Object, Object) (Line: 305)
  Drupal\Core\Entity\EntityViewBuilder->buildMultiple(Array) (Line: 239)
  Drupal\Core\Entity\EntityViewBuilder->build(Array)
  call_user_func_array(Array, Array) (Line: 101)
  Drupal\Core\Render\Renderer->doTrustedCallback(Array, Array, 'Render #pre_render callbacks must be methods of a class that implements \Drupal\Core\Security\TrustedCallbackInterface or be an anonymous function. The callback was %s. See https://www.drupal.org/node/2966725', 'exception', 'Drupal\Core\Render\Element\RenderCallbackInterface') (Line: 772)
  Drupal\Core\Render\Renderer->doCallback('#pre_render', Array, Array) (Line: 363)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array, ) (Line: 241)
  Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 564)
  Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 242)
  Drupal\Core\Render\MainContent\HtmlRenderer->prepare(Array, Object, Object) (Line: 132)
  Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object, Object) (Line: 90)
  Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object, 'kernel.view', Object)
  call_user_func(Array, Object, 'kernel.view', Object) (Line: 142)
  Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch(Object, 'kernel.view') (Line: 174)
  Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 81)
  Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 58)
  Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 50)
  Drupal\ban\BanMiddleware->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51)
  Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 23)
  Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 709)
  Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
  

• Warning: Undefined array key "main_content" in Drupal\esri\Plugin\Displays\Classes::title_format() (line 154 of themes/esri/src/Plugin/Displays/Classes.php).

  Drupal\esri\Plugin\Displays\Classes::title_format(Object) (Line: 19)
  Drupal\esri\Plugin\Displays\Classes::renderDS1Col(Object) (Line: 44)
  Drupal\esri\Plugin\Preprocess\DS1Col->preprocessVariables(Object) (Line: 53)
  Drupal\bootstrap\Plugin\Preprocess\PreprocessBase->preprocess(Array, 'ds_1col', Array) (Line: 1441)
  Drupal\bootstrap\Bootstrap::preprocess(Array, 'ds_1col', Array) (Line: 118)
  bootstrap_preprocess(Array, 'ds_1col', Array)
  call_user_func_array('bootstrap_preprocess', Array) (Line: 287)
  Drupal\Core\Theme\ThemeManager->render('ds_1col', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 39)
  __TwigTemplate_597a376e44fcdf2cd8446a83b2d62861287d3cc56ac67bf078d95f0389c42aa2->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('modules/contrib/ds/templates/ds-entity-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('ds_entity_view', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 60)
  __TwigTemplate_b7adbbb36a2586583647aead9d933e32339049daec84d9f4ae74f50c75bcb863->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('core/modules/views/templates/views-view-unformatted.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('views_view_unformatted', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 115)
  __TwigTemplate_6261af6f984534a0a8e99e6323226a110f09befbdd096d3af9e12c22c0bc355b->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('themes/esri/templates/system/views-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('views_view', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 124)
  __TwigTemplate_0d60e68dd2b19c54c8b7cde5a3a7017cc89afede338332b879efc28f73bf7738->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('themes/esri/templates/field/field.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('field', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 90)
  __TwigTemplate_a5468b1af924128ee0a1358026fd6c85936bea14d328523ca315e47361e2446b->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('themes/esri/templates/layout/one-column-course.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('one_column_course', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 39)
  __TwigTemplate_597a376e44fcdf2cd8446a83b2d62861287d3cc56ac67bf078d95f0389c42aa2->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('modules/contrib/ds/templates/ds-entity-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('ds_entity_view', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array, ) (Line: 241)
  Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 564)
  Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 242)
  Drupal\Core\Render\MainContent\HtmlRenderer->prepare(Array, Object, Object) (Line: 132)
  Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object, Object) (Line: 90)
  Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object, 'kernel.view', Object)
  call_user_func(Array, Object, 'kernel.view', Object) (Line: 142)
  Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch(Object, 'kernel.view') (Line: 174)
  Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 81)
  Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 58)
  Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 50)
  Drupal\ban\BanMiddleware->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51)
  Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 23)
  Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 709)
  Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
  

• Warning: Trying to access array offset on value of type null in Drupal\esri\Plugin\Displays\Classes::title_format() (line 154 of themes/esri/src/Plugin/Displays/Classes.php).

  Drupal\esri\Plugin\Displays\Classes::title_format(Object) (Line: 19)
  Drupal\esri\Plugin\Displays\Classes::renderDS1Col(Object) (Line: 44)
  Drupal\esri\Plugin\Preprocess\DS1Col->preprocessVariables(Object) (Line: 53)
  Drupal\bootstrap\Plugin\Preprocess\PreprocessBase->preprocess(Array, 'ds_1col', Array) (Line: 1441)
  Drupal\bootstrap\Bootstrap::preprocess(Array, 'ds_1col', Array) (Line: 118)
  bootstrap_preprocess(Array, 'ds_1col', Array)
  call_user_func_array('bootstrap_preprocess', Array) (Line: 287)
  Drupal\Core\Theme\ThemeManager->render('ds_1col', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 39)
  __TwigTemplate_597a376e44fcdf2cd8446a83b2d62861287d3cc56ac67bf078d95f0389c42aa2->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('modules/contrib/ds/templates/ds-entity-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('ds_entity_view', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 60)
  __TwigTemplate_b7adbbb36a2586583647aead9d933e32339049daec84d9f4ae74f50c75bcb863->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('core/modules/views/templates/views-view-unformatted.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('views_view_unformatted', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 115)
  __TwigTemplate_6261af6f984534a0a8e99e6323226a110f09befbdd096d3af9e12c22c0bc355b->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('themes/esri/templates/system/views-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('views_view', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 124)
  __TwigTemplate_0d60e68dd2b19c54c8b7cde5a3a7017cc89afede338332b879efc28f73bf7738->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('themes/esri/templates/field/field.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('field', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 90)
  __TwigTemplate_a5468b1af924128ee0a1358026fd6c85936bea14d328523ca315e47361e2446b->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('themes/esri/templates/layout/one-column-course.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('one_column_course', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 39)
  __TwigTemplate_597a376e44fcdf2cd8446a83b2d62861287d3cc56ac67bf078d95f0389c42aa2->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('modules/contrib/ds/templates/ds-entity-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('ds_entity_view', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array, ) (Line: 241)
  Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 564)
  Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 242)
  Drupal\Core\Render\MainContent\HtmlRenderer->prepare(Array, Object, Object) (Line: 132)
  Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object, Object) (Line: 90)
  Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object, 'kernel.view', Object)
  call_user_func(Array, Object, 'kernel.view', Object) (Line: 142)
  Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch(Object, 'kernel.view') (Line: 174)
  Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 81)
  Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 58)
  Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 50)
  Drupal\ban\BanMiddleware->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51)
  Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 23)
  Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 709)
  Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
  

• Warning: Undefined array key "group_hidden" in Drupal\esri\Plugin\Displays\Classes::title_format() (line 157 of themes/esri/src/Plugin/Displays/Classes.php).

  Drupal\esri\Plugin\Displays\Classes::title_format(Object) (Line: 19)
  Drupal\esri\Plugin\Displays\Classes::renderDS1Col(Object) (Line: 44)
  Drupal\esri\Plugin\Preprocess\DS1Col->preprocessVariables(Object) (Line: 53)
  Drupal\bootstrap\Plugin\Preprocess\PreprocessBase->preprocess(Array, 'ds_1col', Array) (Line: 1441)
  Drupal\bootstrap\Bootstrap::preprocess(Array, 'ds_1col', Array) (Line: 118)
  bootstrap_preprocess(Array, 'ds_1col', Array)
  call_user_func_array('bootstrap_preprocess', Array) (Line: 287)
  Drupal\Core\Theme\ThemeManager->render('ds_1col', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 39)
  __TwigTemplate_597a376e44fcdf2cd8446a83b2d62861287d3cc56ac67bf078d95f0389c42aa2->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('modules/contrib/ds/templates/ds-entity-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('ds_entity_view', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 60)
  __TwigTemplate_b7adbbb36a2586583647aead9d933e32339049daec84d9f4ae74f50c75bcb863->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('core/modules/views/templates/views-view-unformatted.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('views_view_unformatted', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 115)
  __TwigTemplate_6261af6f984534a0a8e99e6323226a110f09befbdd096d3af9e12c22c0bc355b->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('themes/esri/templates/system/views-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('views_view', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 124)
  __TwigTemplate_0d60e68dd2b19c54c8b7cde5a3a7017cc89afede338332b879efc28f73bf7738->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('themes/esri/templates/field/field.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('field', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 90)
  __TwigTemplate_a5468b1af924128ee0a1358026fd6c85936bea14d328523ca315e47361e2446b->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('themes/esri/templates/layout/one-column-course.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('one_column_course', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 39)
  __TwigTemplate_597a376e44fcdf2cd8446a83b2d62861287d3cc56ac67bf078d95f0389c42aa2->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('modules/contrib/ds/templates/ds-entity-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('ds_entity_view', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array, ) (Line: 241)
  Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 564)
  Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 242)
  Drupal\Core\Render\MainContent\HtmlRenderer->prepare(Array, Object, Object) (Line: 132)
  Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object, Object) (Line: 90)
  Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object, 'kernel.view', Object)
  call_user_func(Array, Object, 'kernel.view', Object) (Line: 142)
  Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch(Object, 'kernel.view') (Line: 174)
  Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 81)
  Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 58)
  Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 50)
  Drupal\ban\BanMiddleware->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51)
  Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 23)
  Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 709)
  Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
  

• Warning: Trying to access array offset on value of type null in Drupal\esri\Plugin\Displays\Classes::title_format() (line 157 of themes/esri/src/Plugin/Displays/Classes.php).

  Drupal\esri\Plugin\Displays\Classes::title_format(Object) (Line: 19)
  Drupal\esri\Plugin\Displays\Classes::renderDS1Col(Object) (Line: 44)
  Drupal\esri\Plugin\Preprocess\DS1Col->preprocessVariables(Object) (Line: 53)
  Drupal\bootstrap\Plugin\Preprocess\PreprocessBase->preprocess(Array, 'ds_1col', Array) (Line: 1441)
  Drupal\bootstrap\Bootstrap::preprocess(Array, 'ds_1col', Array) (Line: 118)
  bootstrap_preprocess(Array, 'ds_1col', Array)
  call_user_func_array('bootstrap_preprocess', Array) (Line: 287)
  Drupal\Core\Theme\ThemeManager->render('ds_1col', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 39)
  __TwigTemplate_597a376e44fcdf2cd8446a83b2d62861287d3cc56ac67bf078d95f0389c42aa2->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('modules/contrib/ds/templates/ds-entity-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('ds_entity_view', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 60)
  __TwigTemplate_b7adbbb36a2586583647aead9d933e32339049daec84d9f4ae74f50c75bcb863->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('core/modules/views/templates/views-view-unformatted.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('views_view_unformatted', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 115)
  __TwigTemplate_6261af6f984534a0a8e99e6323226a110f09befbdd096d3af9e12c22c0bc355b->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('themes/esri/templates/system/views-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('views_view', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 124)
  __TwigTemplate_0d60e68dd2b19c54c8b7cde5a3a7017cc89afede338332b879efc28f73bf7738->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('themes/esri/templates/field/field.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('field', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 90)
  __TwigTemplate_a5468b1af924128ee0a1358026fd6c85936bea14d328523ca315e47361e2446b->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('themes/esri/templates/layout/one-column-course.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('one_column_course', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 39)
  __TwigTemplate_597a376e44fcdf2cd8446a83b2d62861287d3cc56ac67bf078d95f0389c42aa2->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('modules/contrib/ds/templates/ds-entity-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('ds_entity_view', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array, ) (Line: 241)
  Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 564)
  Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 242)
  Drupal\Core\Render\MainContent\HtmlRenderer->prepare(Array, Object, Object) (Line: 132)
  Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object, Object) (Line: 90)
  Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object, 'kernel.view', Object)
  call_user_func(Array, Object, 'kernel.view', Object) (Line: 142)
  Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch(Object, 'kernel.view') (Line: 174)
  Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 81)
  Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 58)
  Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 50)
  Drupal\ban\BanMiddleware->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51)
  Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 23)
  Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 709)
  Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
  

• Warning: Undefined array key "#markup" in Drupal\esri\Plugin\Displays\Classes::title_format() (line 277 of themes/esri/src/Plugin/Displays/Classes.php).

  Drupal\esri\Plugin\Displays\Classes::title_format(Object) (Line: 19)
  Drupal\esri\Plugin\Displays\Classes::renderDS1Col(Object) (Line: 44)
  Drupal\esri\Plugin\Preprocess\DS1Col->preprocessVariables(Object) (Line: 53)
  Drupal\bootstrap\Plugin\Preprocess\PreprocessBase->preprocess(Array, 'ds_1col', Array) (Line: 1441)
  Drupal\bootstrap\Bootstrap::preprocess(Array, 'ds_1col', Array) (Line: 118)
  bootstrap_preprocess(Array, 'ds_1col', Array)
  call_user_func_array('bootstrap_preprocess', Array) (Line: 287)
  Drupal\Core\Theme\ThemeManager->render('ds_1col', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 39)
  __TwigTemplate_597a376e44fcdf2cd8446a83b2d62861287d3cc56ac67bf078d95f0389c42aa2->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('modules/contrib/ds/templates/ds-entity-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('ds_entity_view', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 60)
  __TwigTemplate_b7adbbb36a2586583647aead9d933e32339049daec84d9f4ae74f50c75bcb863->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('core/modules/views/templates/views-view-unformatted.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('views_view_unformatted', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 115)
  __TwigTemplate_6261af6f984534a0a8e99e6323226a110f09befbdd096d3af9e12c22c0bc355b->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('themes/esri/templates/system/views-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('views_view', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 124)
  __TwigTemplate_0d60e68dd2b19c54c8b7cde5a3a7017cc89afede338332b879efc28f73bf7738->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('themes/esri/templates/field/field.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('field', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 90)
  __TwigTemplate_a5468b1af924128ee0a1358026fd6c85936bea14d328523ca315e47361e2446b->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('themes/esri/templates/layout/one-column-course.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('one_column_course', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 39)
  __TwigTemplate_597a376e44fcdf2cd8446a83b2d62861287d3cc56ac67bf078d95f0389c42aa2->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('modules/contrib/ds/templates/ds-entity-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('ds_entity_view', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array, ) (Line: 241)
  Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 564)
  Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 242)
  Drupal\Core\Render\MainContent\HtmlRenderer->prepare(Array, Object, Object) (Line: 132)
  Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object, Object) (Line: 90)
  Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object, 'kernel.view', Object)
  call_user_func(Array, Object, 'kernel.view', Object) (Line: 142)
  Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch(Object, 'kernel.view') (Line: 174)
  Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 81)
  Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 58)
  Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 50)
  Drupal\ban\BanMiddleware->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51)
  Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 23)
  Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 709)
  Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
  

• Warning: Undefined array key "#url" in Drupal\esri\Plugin\Displays\Classes::renderDS1Col() (line 24 of themes/esri/src/Plugin/Displays/Classes.php).

  Drupal\esri\Plugin\Displays\Classes::renderDS1Col(Object) (Line: 44)
  Drupal\esri\Plugin\Preprocess\DS1Col->preprocessVariables(Object) (Line: 53)
  Drupal\bootstrap\Plugin\Preprocess\PreprocessBase->preprocess(Array, 'ds_1col', Array) (Line: 1441)
  Drupal\bootstrap\Bootstrap::preprocess(Array, 'ds_1col', Array) (Line: 118)
  bootstrap_preprocess(Array, 'ds_1col', Array)
  call_user_func_array('bootstrap_preprocess', Array) (Line: 287)
  Drupal\Core\Theme\ThemeManager->render('ds_1col', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 39)
  __TwigTemplate_597a376e44fcdf2cd8446a83b2d62861287d3cc56ac67bf078d95f0389c42aa2->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('modules/contrib/ds/templates/ds-entity-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('ds_entity_view', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 60)
  __TwigTemplate_b7adbbb36a2586583647aead9d933e32339049daec84d9f4ae74f50c75bcb863->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('core/modules/views/templates/views-view-unformatted.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('views_view_unformatted', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 115)
  __TwigTemplate_6261af6f984534a0a8e99e6323226a110f09befbdd096d3af9e12c22c0bc355b->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('themes/esri/templates/system/views-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('views_view', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 124)
  __TwigTemplate_0d60e68dd2b19c54c8b7cde5a3a7017cc89afede338332b879efc28f73bf7738->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('themes/esri/templates/field/field.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('field', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 90)
  __TwigTemplate_a5468b1af924128ee0a1358026fd6c85936bea14d328523ca315e47361e2446b->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('themes/esri/templates/layout/one-column-course.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('one_column_course', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 39)
  __TwigTemplate_597a376e44fcdf2cd8446a83b2d62861287d3cc56ac67bf078d95f0389c42aa2->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('modules/contrib/ds/templates/ds-entity-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('ds_entity_view', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array, ) (Line: 241)
  Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 564)
  Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 242)
  Drupal\Core\Render\MainContent\HtmlRenderer->prepare(Array, Object, Object) (Line: 132)
  Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object, Object) (Line: 90)
  Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object, 'kernel.view', Object)
  call_user_func(Array, Object, 'kernel.view', Object) (Line: 142)
  Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch(Object, 'kernel.view') (Line: 174)
  Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 81)
  Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 58)
  Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 50)
  Drupal\ban\BanMiddleware->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51)
  Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 23)
  Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 709)
  Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
  

• Warning: Undefined array key "main_content" in Drupal\esri\Plugin\Displays\Classes::title_format() (line 154 of themes/esri/src/Plugin/Displays/Classes.php).

  Drupal\esri\Plugin\Displays\Classes::title_format(Object) (Line: 19)
  Drupal\esri\Plugin\Displays\Classes::renderDS1Col(Object) (Line: 44)
  Drupal\esri\Plugin\Preprocess\DS1Col->preprocessVariables(Object) (Line: 53)
  Drupal\bootstrap\Plugin\Preprocess\PreprocessBase->preprocess(Array, 'ds_1col', Array) (Line: 1441)
  Drupal\bootstrap\Bootstrap::preprocess(Array, 'ds_1col', Array) (Line: 118)
  bootstrap_preprocess(Array, 'ds_1col', Array)
  call_user_func_array('bootstrap_preprocess', Array) (Line: 287)
  Drupal\Core\Theme\ThemeManager->render('ds_1col', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 39)
  __TwigTemplate_597a376e44fcdf2cd8446a83b2d62861287d3cc56ac67bf078d95f0389c42aa2->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('modules/contrib/ds/templates/ds-entity-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('ds_entity_view', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 60)
  __TwigTemplate_b7adbbb36a2586583647aead9d933e32339049daec84d9f4ae74f50c75bcb863->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('core/modules/views/templates/views-view-unformatted.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('views_view_unformatted', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 115)
  __TwigTemplate_6261af6f984534a0a8e99e6323226a110f09befbdd096d3af9e12c22c0bc355b->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('themes/esri/templates/system/views-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('views_view', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 124)
  __TwigTemplate_0d60e68dd2b19c54c8b7cde5a3a7017cc89afede338332b879efc28f73bf7738->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('themes/esri/templates/field/field.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('field', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 90)
  __TwigTemplate_a5468b1af924128ee0a1358026fd6c85936bea14d328523ca315e47361e2446b->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('themes/esri/templates/layout/one-column-course.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('one_column_course', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 39)
  __TwigTemplate_597a376e44fcdf2cd8446a83b2d62861287d3cc56ac67bf078d95f0389c42aa2->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('modules/contrib/ds/templates/ds-entity-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('ds_entity_view', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array, ) (Line: 241)
  Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 564)
  Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 242)
  Drupal\Core\Render\MainContent\HtmlRenderer->prepare(Array, Object, Object) (Line: 132)
  Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object, Object) (Line: 90)
  Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object, 'kernel.view', Object)
  call_user_func(Array, Object, 'kernel.view', Object) (Line: 142)
  Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch(Object, 'kernel.view') (Line: 174)
  Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 81)
  Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 58)
  Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 50)
  Drupal\ban\BanMiddleware->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51)
  Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 23)
  Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 709)
  Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
  

• Warning: Trying to access array offset on value of type null in Drupal\esri\Plugin\Displays\Classes::title_format() (line 154 of themes/esri/src/Plugin/Displays/Classes.php).

  Drupal\esri\Plugin\Displays\Classes::title_format(Object) (Line: 19)
  Drupal\esri\Plugin\Displays\Classes::renderDS1Col(Object) (Line: 44)
  Drupal\esri\Plugin\Preprocess\DS1Col->preprocessVariables(Object) (Line: 53)
  Drupal\bootstrap\Plugin\Preprocess\PreprocessBase->preprocess(Array, 'ds_1col', Array) (Line: 1441)
  Drupal\bootstrap\Bootstrap::preprocess(Array, 'ds_1col', Array) (Line: 118)
  bootstrap_preprocess(Array, 'ds_1col', Array)
  call_user_func_array('bootstrap_preprocess', Array) (Line: 287)
  Drupal\Core\Theme\ThemeManager->render('ds_1col', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 39)
  __TwigTemplate_597a376e44fcdf2cd8446a83b2d62861287d3cc56ac67bf078d95f0389c42aa2->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('modules/contrib/ds/templates/ds-entity-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('ds_entity_view', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 60)
  __TwigTemplate_b7adbbb36a2586583647aead9d933e32339049daec84d9f4ae74f50c75bcb863->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('core/modules/views/templates/views-view-unformatted.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('views_view_unformatted', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 115)
  __TwigTemplate_6261af6f984534a0a8e99e6323226a110f09befbdd096d3af9e12c22c0bc355b->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('themes/esri/templates/system/views-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('views_view', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 124)
  __TwigTemplate_0d60e68dd2b19c54c8b7cde5a3a7017cc89afede338332b879efc28f73bf7738->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('themes/esri/templates/field/field.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('field', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 90)
  __TwigTemplate_a5468b1af924128ee0a1358026fd6c85936bea14d328523ca315e47361e2446b->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('themes/esri/templates/layout/one-column-course.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('one_column_course', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 39)
  __TwigTemplate_597a376e44fcdf2cd8446a83b2d62861287d3cc56ac67bf078d95f0389c42aa2->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('modules/contrib/ds/templates/ds-entity-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('ds_entity_view', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array, ) (Line: 241)
  Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 564)
  Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 242)
  Drupal\Core\Render\MainContent\HtmlRenderer->prepare(Array, Object, Object) (Line: 132)
  Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object, Object) (Line: 90)
  Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object, 'kernel.view', Object)
  call_user_func(Array, Object, 'kernel.view', Object) (Line: 142)
  Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch(Object, 'kernel.view') (Line: 174)
  Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 81)
  Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 58)
  Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 50)
  Drupal\ban\BanMiddleware->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51)
  Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 23)
  Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 709)
  Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
  

• Warning: Undefined array key "group_hidden" in Drupal\esri\Plugin\Displays\Classes::title_format() (line 157 of themes/esri/src/Plugin/Displays/Classes.php).

  Drupal\esri\Plugin\Displays\Classes::title_format(Object) (Line: 19)
  Drupal\esri\Plugin\Displays\Classes::renderDS1Col(Object) (Line: 44)
  Drupal\esri\Plugin\Preprocess\DS1Col->preprocessVariables(Object) (Line: 53)
  Drupal\bootstrap\Plugin\Preprocess\PreprocessBase->preprocess(Array, 'ds_1col', Array) (Line: 1441)
  Drupal\bootstrap\Bootstrap::preprocess(Array, 'ds_1col', Array) (Line: 118)
  bootstrap_preprocess(Array, 'ds_1col', Array)
  call_user_func_array('bootstrap_preprocess', Array) (Line: 287)
  Drupal\Core\Theme\ThemeManager->render('ds_1col', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 39)
  __TwigTemplate_597a376e44fcdf2cd8446a83b2d62861287d3cc56ac67bf078d95f0389c42aa2->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('modules/contrib/ds/templates/ds-entity-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('ds_entity_view', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 60)
  __TwigTemplate_b7adbbb36a2586583647aead9d933e32339049daec84d9f4ae74f50c75bcb863->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('core/modules/views/templates/views-view-unformatted.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('views_view_unformatted', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 115)
  __TwigTemplate_6261af6f984534a0a8e99e6323226a110f09befbdd096d3af9e12c22c0bc355b->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('themes/esri/templates/system/views-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('views_view', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 124)
  __TwigTemplate_0d60e68dd2b19c54c8b7cde5a3a7017cc89afede338332b879efc28f73bf7738->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('themes/esri/templates/field/field.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('field', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 90)
  __TwigTemplate_a5468b1af924128ee0a1358026fd6c85936bea14d328523ca315e47361e2446b->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('themes/esri/templates/layout/one-column-course.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('one_column_course', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 39)
  __TwigTemplate_597a376e44fcdf2cd8446a83b2d62861287d3cc56ac67bf078d95f0389c42aa2->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('modules/contrib/ds/templates/ds-entity-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('ds_entity_view', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array, ) (Line: 241)
  Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 564)
  Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 242)
  Drupal\Core\Render\MainContent\HtmlRenderer->prepare(Array, Object, Object) (Line: 132)
  Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object, Object) (Line: 90)
  Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object, 'kernel.view', Object)
  call_user_func(Array, Object, 'kernel.view', Object) (Line: 142)
  Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch(Object, 'kernel.view') (Line: 174)
  Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 81)
  Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 58)
  Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 50)
  Drupal\ban\BanMiddleware->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51)
  Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 23)
  Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 709)
  Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
  

• Warning: Trying to access array offset on value of type null in Drupal\esri\Plugin\Displays\Classes::title_format() (line 157 of themes/esri/src/Plugin/Displays/Classes.php).

  Drupal\esri\Plugin\Displays\Classes::title_format(Object) (Line: 19)
  Drupal\esri\Plugin\Displays\Classes::renderDS1Col(Object) (Line: 44)
  Drupal\esri\Plugin\Preprocess\DS1Col->preprocessVariables(Object) (Line: 53)
  Drupal\bootstrap\Plugin\Preprocess\PreprocessBase->preprocess(Array, 'ds_1col', Array) (Line: 1441)
  Drupal\bootstrap\Bootstrap::preprocess(Array, 'ds_1col', Array) (Line: 118)
  bootstrap_preprocess(Array, 'ds_1col', Array)
  call_user_func_array('bootstrap_preprocess', Array) (Line: 287)
  Drupal\Core\Theme\ThemeManager->render('ds_1col', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 39)
  __TwigTemplate_597a376e44fcdf2cd8446a83b2d62861287d3cc56ac67bf078d95f0389c42aa2->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('modules/contrib/ds/templates/ds-entity-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('ds_entity_view', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 60)
  __TwigTemplate_b7adbbb36a2586583647aead9d933e32339049daec84d9f4ae74f50c75bcb863->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('core/modules/views/templates/views-view-unformatted.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('views_view_unformatted', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 115)
  __TwigTemplate_6261af6f984534a0a8e99e6323226a110f09befbdd096d3af9e12c22c0bc355b->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('themes/esri/templates/system/views-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('views_view', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 124)
  __TwigTemplate_0d60e68dd2b19c54c8b7cde5a3a7017cc89afede338332b879efc28f73bf7738->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('themes/esri/templates/field/field.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('field', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 90)
  __TwigTemplate_a5468b1af924128ee0a1358026fd6c85936bea14d328523ca315e47361e2446b->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('themes/esri/templates/layout/one-column-course.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('one_column_course', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 39)
  __TwigTemplate_597a376e44fcdf2cd8446a83b2d62861287d3cc56ac67bf078d95f0389c42aa2->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('modules/contrib/ds/templates/ds-entity-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('ds_entity_view', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array, ) (Line: 241)
  Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 564)
  Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 242)
  Drupal\Core\Render\MainContent\HtmlRenderer->prepare(Array, Object, Object) (Line: 132)
  Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object, Object) (Line: 90)
  Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object, 'kernel.view', Object)
  call_user_func(Array, Object, 'kernel.view', Object) (Line: 142)
  Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch(Object, 'kernel.view') (Line: 174)
  Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 81)
  Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 58)
  Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 50)
  Drupal\ban\BanMiddleware->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51)
  Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 23)
  Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 709)
  Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
  

• Warning: Undefined array key "#markup" in Drupal\esri\Plugin\Displays\Classes::title_format() (line 277 of themes/esri/src/Plugin/Displays/Classes.php).

  Drupal\esri\Plugin\Displays\Classes::title_format(Object) (Line: 19)
  Drupal\esri\Plugin\Displays\Classes::renderDS1Col(Object) (Line: 44)
  Drupal\esri\Plugin\Preprocess\DS1Col->preprocessVariables(Object) (Line: 53)
  Drupal\bootstrap\Plugin\Preprocess\PreprocessBase->preprocess(Array, 'ds_1col', Array) (Line: 1441)
  Drupal\bootstrap\Bootstrap::preprocess(Array, 'ds_1col', Array) (Line: 118)
  bootstrap_preprocess(Array, 'ds_1col', Array)
  call_user_func_array('bootstrap_preprocess', Array) (Line: 287)
  Drupal\Core\Theme\ThemeManager->render('ds_1col', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 39)
  __TwigTemplate_597a376e44fcdf2cd8446a83b2d62861287d3cc56ac67bf078d95f0389c42aa2->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('modules/contrib/ds/templates/ds-entity-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('ds_entity_view', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 60)
  __TwigTemplate_b7adbbb36a2586583647aead9d933e32339049daec84d9f4ae74f50c75bcb863->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('core/modules/views/templates/views-view-unformatted.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('views_view_unformatted', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 115)
  __TwigTemplate_6261af6f984534a0a8e99e6323226a110f09befbdd096d3af9e12c22c0bc355b->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('themes/esri/templates/system/views-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('views_view', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 124)
  __TwigTemplate_0d60e68dd2b19c54c8b7cde5a3a7017cc89afede338332b879efc28f73bf7738->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('themes/esri/templates/field/field.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('field', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 90)
  __TwigTemplate_a5468b1af924128ee0a1358026fd6c85936bea14d328523ca315e47361e2446b->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('themes/esri/templates/layout/one-column-course.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('one_column_course', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 39)
  __TwigTemplate_597a376e44fcdf2cd8446a83b2d62861287d3cc56ac67bf078d95f0389c42aa2->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('modules/contrib/ds/templates/ds-entity-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('ds_entity_view', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array, ) (Line: 241)
  Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 564)
  Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 242)
  Drupal\Core\Render\MainContent\HtmlRenderer->prepare(Array, Object, Object) (Line: 132)
  Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object, Object) (Line: 90)
  Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object, 'kernel.view', Object)
  call_user_func(Array, Object, 'kernel.view', Object) (Line: 142)
  Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch(Object, 'kernel.view') (Line: 174)
  Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 81)
  Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 58)
  Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 50)
  Drupal\ban\BanMiddleware->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51)
  Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 23)
  Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 709)
  Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
  

• Warning: Undefined array key "#url" in Drupal\esri\Plugin\Displays\Classes::renderDS1Col() (line 24 of themes/esri/src/Plugin/Displays/Classes.php).

  Drupal\esri\Plugin\Displays\Classes::renderDS1Col(Object) (Line: 44)
  Drupal\esri\Plugin\Preprocess\DS1Col->preprocessVariables(Object) (Line: 53)
  Drupal\bootstrap\Plugin\Preprocess\PreprocessBase->preprocess(Array, 'ds_1col', Array) (Line: 1441)
  Drupal\bootstrap\Bootstrap::preprocess(Array, 'ds_1col', Array) (Line: 118)
  bootstrap_preprocess(Array, 'ds_1col', Array)
  call_user_func_array('bootstrap_preprocess', Array) (Line: 287)
  Drupal\Core\Theme\ThemeManager->render('ds_1col', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 39)
  __TwigTemplate_597a376e44fcdf2cd8446a83b2d62861287d3cc56ac67bf078d95f0389c42aa2->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('modules/contrib/ds/templates/ds-entity-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('ds_entity_view', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 60)
  __TwigTemplate_b7adbbb36a2586583647aead9d933e32339049daec84d9f4ae74f50c75bcb863->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('core/modules/views/templates/views-view-unformatted.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('views_view_unformatted', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 115)
  __TwigTemplate_6261af6f984534a0a8e99e6323226a110f09befbdd096d3af9e12c22c0bc355b->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('themes/esri/templates/system/views-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('views_view', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 124)
  __TwigTemplate_0d60e68dd2b19c54c8b7cde5a3a7017cc89afede338332b879efc28f73bf7738->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('themes/esri/templates/field/field.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('field', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array) (Line: 435)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 90)
  __TwigTemplate_a5468b1af924128ee0a1358026fd6c85936bea14d328523ca315e47361e2446b->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('themes/esri/templates/layout/one-column-course.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('one_column_course', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array) (Line: 479)
  Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 39)
  __TwigTemplate_597a376e44fcdf2cd8446a83b2d62861287d3cc56ac67bf078d95f0389c42aa2->doDisplay(Array, Array) (Line: 405)
  Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
  Twig\Template->display(Array) (Line: 390)
  Twig\Template->render(Array) (Line: 55)
  twig_render_template('modules/contrib/ds/templates/ds-entity-view.html.twig', Array) (Line: 384)
  Drupal\Core\Theme\ThemeManager->render('ds_entity_view', Array) (Line: 422)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 201)
  Drupal\Core\Render\Renderer->render(Array, ) (Line: 241)
  Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 564)
  Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 242)
  Drupal\Core\Render\MainContent\HtmlRenderer->prepare(Array, Object, Object) (Line: 132)
  Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object, Object) (Line: 90)
  Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object, 'kernel.view', Object)
  call_user_func(Array, Object, 'kernel.view', Object) (Line: 142)
  Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch(Object, 'kernel.view') (Line: 174)
  Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 81)
  Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 58)
  Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 50)
  Drupal\ban\BanMiddleware->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51)
  Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 23)
  Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 709)
  Drupal\Core\DrupalKernel->handle(Object) (Line: 19)