Fatal error: Uncaught Error: Class "Drupal\Core\Entity\EntityForm" not found in /home/qcsvlel/www/core/modules/workflows/src/Form/WorkflowStateAddForm.php:18 Stack trace: #0 {main} thrown in /home/qcsvlel/www/core/modules/workflows/src/Form/WorkflowStateAddForm.php on line 18