Fatal error: Uncaught Error: Class "Drupal\content_translation\ContentTranslationHandler" not found in /home/qcsvlel/www/core/modules/block_content/src/BlockContentTranslationHandler.php:12 Stack trace: #0 {main} thrown in /home/qcsvlel/www/core/modules/block_content/src/BlockContentTranslationHandler.php on line 12