Fatal error: Uncaught Error: Class "Symfony\Component\HttpFoundation\ParameterBag" not found in /home/wwwarms/ws.arms-tools.com/websocket-server/vendor/symfony/http-foundation/FileBag.php:22 Stack trace: #0 {main} thrown in /home/wwwarms/ws.arms-tools.com/websocket-server/vendor/symfony/http-foundation/FileBag.php on line 22