Fatal error: Uncaught Error: Class "Symfony\Component\Config\Loader\FileLoader" not found in C:\xampp\htdocs\hannoole\PMS\vendor\symfony\dependency-injection\Loader\FileLoader.php:36 Stack trace: #0 {main} thrown in C:\xampp\htdocs\hannoole\PMS\vendor\symfony\dependency-injection\Loader\FileLoader.php on line 36