Fatal error: Uncaught Error: Interface "Symfony\Component\Form\DataTransformerInterface" not found in /var/www/crm_killing_ninja/vendor/vich/uploader-bundle/src/Form/DataTransformer/FileTransformer.php:8 Stack trace: #0 {main} thrown in /var/www/crm_killing_ninja/vendor/vich/uploader-bundle/src/Form/DataTransformer/FileTransformer.php on line 8