Fatal error: Uncaught Error: Interface "Drupal\Core\Entity\ContentEntityInterface" not found in /home/www/drupal8/test/core/modules/content_moderation/src/Entity/ContentModerationStateInterface.php:16 Stack trace: #0 {main} thrown in /home/www/drupal8/test/core/modules/content_moderation/src/Entity/ContentModerationStateInterface.php on line 16