Fatal error: Uncaught Error: Class "Drupal\Core\Entity\EntityForm" not found in /home/qcsvlel/www/core/modules/field_ui/src/Form/EntityDisplayFormBase.php:26 Stack trace: #0 {main} thrown in /home/qcsvlel/www/core/modules/field_ui/src/Form/EntityDisplayFormBase.php on line 26