Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\Kernel' not found in /home/cooplafobq/newplanning/vendor/vich/uploader-bundle/Event/Event.php:15 Stack trace: #0 {main} thrown in /home/cooplafobq/newplanning/vendor/vich/uploader-bundle/Event/Event.php on line 15