Fatal error: Uncaught Error: Class 'Symfony\Component\Form\AbstractType' not found in /home/cooplafobq/newplanning/vendor/vich/uploader-bundle/Form/Type/VichFileType.php:27 Stack trace: #0 {main} thrown in /home/cooplafobq/newplanning/vendor/vich/uploader-bundle/Form/Type/VichFileType.php on line 27