Fatal error: Uncaught Error: Class 'Symfony\Component\Translation\Loader\FileLoader' not found in /home/app/htdocs/message_gateway/vendor/symfony/translation/Loader/YamlFileLoader.php:25 Stack trace: #0 {main} thrown in /home/app/htdocs/message_gateway/vendor/symfony/translation/Loader/YamlFileLoader.php on line 25