Fatal error: Uncaught RuntimeException: Failed to listen on "tcp://0.0.0.0:9001": Address already in use in /srv/user/ithnet.com/movim/vendor/react/socket/src/TcpServer.php:184
Stack trace:
#0 /srv/user/ithnet.com/movim/vendor/react/socket/src/Server.php(77): React\Socket\TcpServer->__construct('tcp://0.0.0.0:9...', Object(React\EventLoop\StreamSelectLoop), Array)
#1 /srv/user/ithnet.com/movim/vendor/ratchet/rfc6455/tests/ab/startServer.php(15): React\Socket\Server->__construct('0.0.0.0:9001', Object(React\EventLoop\StreamSelectLoop))
#2 {main}
  thrown in /srv/user/ithnet.com/movim/vendor/react/socket/src/TcpServer.php on line 184