Fatal error: Uncaught Error: Class "Symfony\Component\Config\FileLocator" not found in C:\www\Apache24\htdocs\agenda-dif\vendor\symfony\http-kernel\Config\FileLocator.php:22 Stack trace: #0 {main} thrown in C:\www\Apache24\htdocs\agenda-dif\vendor\symfony\http-kernel\Config\FileLocator.php on line 22