Fatal error: Uncaught Error: Class "Drupal\field_ui\Form\EntityViewDisplayEditForm" not found in /home/www/drupal8/test/core/modules/layout_builder/src/Form/LayoutBuilderEntityViewDisplayForm.php:21 Stack trace: #0 {main} thrown in /home/www/drupal8/test/core/modules/layout_builder/src/Form/LayoutBuilderEntityViewDisplayForm.php on line 21