Fatal error: Uncaught Error: Class "Vich\UploaderBundle\Event\Event" not found in /home/appacfrykg/www-preprod/vendor/vich/uploader-bundle/src/Event/ErrorEvent.php:7 Stack trace: #0 {main} thrown in /home/appacfrykg/www-preprod/vendor/vich/uploader-bundle/src/Event/ErrorEvent.php on line 7