Fatal error: Uncaught Error: Interface "Symfony\Component\Routing\Generator\Dumper\GeneratorDumperInterface" not found in /home/wwwarms/ws.arms-tools.com/websocket-server/vendor/symfony/routing/Generator/Dumper/GeneratorDumper.php:21 Stack trace: #0 {main} thrown in /home/wwwarms/ws.arms-tools.com/websocket-server/vendor/symfony/routing/Generator/Dumper/GeneratorDumper.php on line 21