Fatal error: Uncaught Error: Class "Symfony\Component\Config\Loader\Loader" not found in D:\xampp\htdocs\_runing\sales-manager-system\vendor\symfony\routing\Loader\ClosureLoader.php:24 Stack trace: #0 {main} thrown in D:\xampp\htdocs\_runing\sales-manager-system\vendor\symfony\routing\Loader\ClosureLoader.php on line 24