Fatal error: Uncaught Error: Interface "Symfony\Component\HttpFoundation\Exception\RequestExceptionInterface" not found in C:\xampp\htdocs\slip\Warranty-UploadFile\vendor\symfony\http-foundation\Exception\SessionNotFoundException.php:21 Stack trace: #0 {main} thrown in C:\xampp\htdocs\slip\Warranty-UploadFile\vendor\symfony\http-foundation\Exception\SessionNotFoundException.php on line 21