Problem/Motivation
Deprecated function: strlen(): Passing null to parameter #1 ($string) of type string is deprecated in Drupal\Component\Utility\Unicode::validateUtf8() (line 477 of core/lib/Drupal/Component/Utility/Unicode.php).
Drupal\Component\Utility\Unicode::validateUtf8(NULL) (Line: 65)
Drupal\Component\Utility\Xss::filter(NULL, Array) (Line: 30)
field_delimiter_field_formatter_settings_summary_alter(Array, Array, NULL) (Line: 562)
Drupal\Core\Extension\ModuleHandler->alter('field_formatter_settings_summary', Array, Array) (Line: 196)
Drupal\field_ui\Form\EntityViewDisplayEditForm->alterSettingsSummary(Array, Object, Object) (Line: 434)
Drupal\field_ui\Form\EntityDisplayFormBase->buildFieldRow(Object, Array, Object) (Line: 40)
Drupal\field_ui\Form\EntityViewDisplayEditForm->buildFieldRow(Object, Array, Object) (Line: 225)
Drupal\layout_builder\Form\LayoutBuilderEntityViewDisplayForm->buildFieldRow(Object, Array, Object) (Line: 209)
Drupal\field_ui\Form\EntityDisplayFormBase->form(Array, Object) (Line: 47)
Drupal\layout_builder\Form\LayoutBuilderEntityViewDisplayForm->form(Array, Object) (Line: 106)
Drupal\Core\Entity\EntityForm->buildForm(Array, Object) (Line: 40)
Drupal\layout_builder\Form\LayoutBuilderEntityViewDisplayForm->buildForm(Array, Object, Object)
call_user_func_array(Array, Array) (Line: 534)
Drupal\Core\Form\FormBuilder->retrieveForm('entity_view_display_edit_form', Object) (Line: 281)
Drupal\Core\Form\FormBuilder->buildForm(Object, Object) (Line: 73)
Drupal\Core\Controller\FormController->getContentResult(Object, Object) (Line: 39)
Drupal\layout_builder\Controller\LayoutBuilderHtmlEntityFormController->getContentResult(Object, Object)
call_user_func_array(Array, Array) (Line: 123)
Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() (Line: 580)
Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 124)
Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)
Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() (Line: 169)
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: 106)
Drupal\page_cache\StackMiddleware\PageCache->pass(Object, 1, 1) (Line: 85)
Drupal\page_cache\StackMiddleware\PageCache->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: 718)
Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
require('/home/merlin/Code-Incubator/site-c4c-dev/web/index.php') (Line: 71)
Steps to reproduce
Proposed resolution
Remaining tasks
User interface changes
API changes
Data model changes
