Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\Exception\HttpException" not found in D:\Application\www\CPDB\vendor\symfony\http-kernel\Exception\NotFoundHttpException.php:17 Stack trace: #0 {main} thrown in D:\Application\www\CPDB\vendor\symfony\http-kernel\Exception\NotFoundHttpException.php on line 17