Fatal error: Uncaught Error: Class "Symfony\Component\Routing\Loader\ObjectLoader" not found in /users/ms-it/www/oc/lib/composer/symfony/routing/Loader/ContainerLoader.php:21 Stack trace: #0 {main} thrown in /users/ms-it/www/oc/lib/composer/symfony/routing/Loader/ContainerLoader.php on line 21