Fatal error: Uncaught Error: Class "Symfony\Component\HttpFoundation\ParameterBag" not found in D:\xampp\htdocs\lux_PHP\vendor\symfony\http-foundation\InputBag.php:24 Stack trace: #0 {main} thrown in D:\xampp\htdocs\lux_PHP\vendor\symfony\http-foundation\InputBag.php on line 24