Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\Event\KernelEvent" not found in /home/eui9b4xs/public_html/dfy/vendor/symfony/http-kernel/Event/TerminateEvent.php:26 Stack trace: #0 {main} thrown in /home/eui9b4xs/public_html/dfy/vendor/symfony/http-kernel/Event/TerminateEvent.php on line 26