Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\Exception\HttpException' not found in D:\xampp\htdocs\psp\backend\vendor\symfony\http-kernel\Exception\BadRequestHttpException.php:17 Stack trace: #0 {main} thrown in D:\xampp\htdocs\psp\backend\vendor\symfony\http-kernel\Exception\BadRequestHttpException.php on line 17