Warning: require(/var/www-dev/cc/websocket-server/vendor/autoload.php): failed to open stream: No such file or directory in /var/www-dev/cc/websocket-server/melodyWsServer.php on line 3

Fatal error: require(): Failed opening required '/var/www-dev/cc/websocket-server/vendor/autoload.php' (include_path='.:/usr/share/php') in /var/www-dev/cc/websocket-server/melodyWsServer.php on line 3