Fatal error: Uncaught Error: Class "Symfony\Component\Config\Loader\Loader" not found in C:\Apache24\htdocs\cw\vendor\symfony\config\Loader\DelegatingLoader.php:24 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\cw\vendor\symfony\config\Loader\DelegatingLoader.php on line 24