Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\Event\RequestEvent' not found in D:\xampp\htdocs\member_code_cu\membertest\vendor\symfony\http-kernel\Event\ExceptionEvent.php:30 Stack trace: #0 {main} thrown in D:\xampp\htdocs\member_code_cu\membertest\vendor\symfony\http-kernel\Event\ExceptionEvent.php on line 30