Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\Event\KernelEvent" not found in /home/zdiq/public_html/vendor/symfony/http-kernel/Event/FilterControllerEvent.php:20 Stack trace: #0 {main} thrown in /home/zdiq/public_html/vendor/symfony/http-kernel/Event/FilterControllerEvent.php on line 20