Fatal error: Uncaught Error: Class "Symfony\Component\Console\Output\Output" not found in /home/wwwarms/ws.arms-tools.com/websocket-server/vendor/symfony/console/Output/BufferedOutput.php:17 Stack trace: #0 {main} thrown in /home/wwwarms/ws.arms-tools.com/websocket-server/vendor/symfony/console/Output/BufferedOutput.php on line 17