Fatal error: Uncaught Error: Class "Symfony\Component\Translation\Dumper\FileDumper" not found in /home/wwwarms/ws.arms-tools.com/websocket-server/vendor/symfony/translation/Dumper/JsonFileDumper.php:21 Stack trace: #0 {main} thrown in /home/wwwarms/ws.arms-tools.com/websocket-server/vendor/symfony/translation/Dumper/JsonFileDumper.php on line 21