Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\Event\GetResponseEvent' not found in C:\xampp\htdocs\print-bk\vendor\symfony\http-kernel\Event\GetResponseForControllerResultEvent.php:26 Stack trace: #0 {main} thrown in C:\xampp\htdocs\print-bk\vendor\symfony\http-kernel\Event\GetResponseForControllerResultEvent.php on line 26