Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\Event\KernelEvent" not found in C:\web\chatbot-telegram-backup-laravel8-20261026\vendor\symfony\http-kernel\Event\ControllerEvent.php:28 Stack trace: #0 {main} thrown in C:\web\chatbot-telegram-backup-laravel8-20261026\vendor\symfony\http-kernel\Event\ControllerEvent.php on line 28