Fatal error: Uncaught Error: Interface "Drupal\Core\Config\Action\ConfigActionPluginInterface" not found in /home/qcsvlel/www/core/modules/ckeditor5/src/Plugin/ConfigAction/AddItemToToolbar.php:26 Stack trace: #0 {main} thrown in /home/qcsvlel/www/core/modules/ckeditor5/src/Plugin/ConfigAction/AddItemToToolbar.php on line 26