Fatal error: Uncaught Error: Class "Symfony\Component\Translation\Loader\FileLoader" not found in /users/ms-it/www/oc/lib/composer/symfony/translation/Loader/MoFileLoader.php:19 Stack trace: #0 {main} thrown in /users/ms-it/www/oc/lib/composer/symfony/translation/Loader/MoFileLoader.php on line 19