Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\Event\KernelEvent' not found in /home/sybtech/jibril-dev2.sybtech.ma/vendor/symfony/http-kernel/Event/ControllerEvent.php:28 Stack trace: #0 {main} thrown in /home/sybtech/jibril-dev2.sybtech.ma/vendor/symfony/http-kernel/Event/ControllerEvent.php on line 28