Fatal error: Uncaught Error: Class "Drupal\editor\Plugin\EditorBase" not found in /home/qcsvlel/www/core/modules/ckeditor5/src/Plugin/Editor/CKEditor5.php:50 Stack trace: #0 {main} thrown in /home/qcsvlel/www/core/modules/ckeditor5/src/Plugin/Editor/CKEditor5.php on line 50