Fatal error: Uncaught Error: Interface "Drupal\block_content\Access\DependentAccessInterface" not found in /home/www/drupal8/test/core/modules/block_content/src/Access/RefinableDependentAccessInterface.php:12 Stack trace: #0 {main} thrown in /home/www/drupal8/test/core/modules/block_content/src/Access/RefinableDependentAccessInterface.php on line 12