Fatal error: Uncaught Error: Interface "Drupal\Core\Access\AccessibleInterface" not found in /home/www/drupal8/test/core/modules/block_content/src/Access/AccessGroupAnd.php:14 Stack trace: #0 {main} thrown in /home/www/drupal8/test/core/modules/block_content/src/Access/AccessGroupAnd.php on line 14