pysc2.lib.remote_controller.ConnectError: Connection rejected. Is something else connected?

thank you for this awesome work! but i received error when it runs to about 500000 steps:

Traceback (most recent call last): File "/home/ryan/anaconda3/envs/acorm/lib/python3.9/site-packages/smac/env/starcraft2/starcraft2.py", line 477, in step self._controller.actions(req_actions) File "/home/ryan/anaconda3/envs/acorm/lib/python3.9/site-packages/pysc2/lib/remote_controller.py", line 81, in _skip_status return func(self, *args, **kwargs) File "/home/ryan/anaconda3/envs/acorm/lib/python3.9/site-packages/pysc2/lib/remote_controller.py", line 92, in _valid_status raise protocol.ProtocolError( pysc2.lib.protocol.ProtocolError: actions called while in state: Status.ended, valid: (Status.in_game)

During handling of the above exception, another exception occurred:

Traceback (most recent call last): File "/home/ryan/anaconda3/envs/acorm/lib/python3.9/site-packages/pysc2/lib/remote_controller.py", line 165, in _connect return websocket.create_connection(url, timeout=timeout_seconds) File "/home/ryan/anaconda3/envs/acorm/lib/python3.9/site-packages/websocket/_core.py", line 608, in create_connection websock.connect(url, **options) File "/home/ryan/anaconda3/envs/acorm/lib/python3.9/site-packages/websocket/_core.py", line 253, in connect self.handshake_response = handshake(self.sock, url, *addrs, **options) File "/home/ryan/anaconda3/envs/acorm/lib/python3.9/site-packages/websocket/_handshake.py", line 57, in handshake status, resp = _get_resp_headers(sock) File "/home/ryan/anaconda3/envs/acorm/lib/python3.9/site-packages/websocket/_handshake.py", line 145, in _get_resp_headers status, resp_headers, status_message = read_headers(sock) File "/home/ryan/anaconda3/envs/acorm/lib/python3.9/site-packages/websocket/_http.py", line 312, in read_headers line = recv_line(sock) File "/home/ryan/anaconda3/envs/acorm/lib/python3.9/site-packages/websocket/_socket.py", line 131, in recv_line c = recv(sock, 1) File "/home/ryan/anaconda3/envs/acorm/lib/python3.9/site-packages/websocket/_socket.py", line 122, in recv raise WebSocketConnectionClosedException( websocket._exceptions.WebSocketConnectionClosedException: Connection to remote host was lost.

During handling of the above exception, another exception occurred:

Traceback (most recent call last): File "/home/ryan/ACORM/./ACORM_QMIX/main.py", line 67, in runner.run() File "/home/ryan/ACORM/ACORM_QMIX/run.py", line 62, in run _, _, episode_steps = self.run_episode_smac(evaluate=False) # Run an episode File "/home/ryan/ACORM/ACORM_QMIX/run.py", line 144, in run_episode_smac r, done, info = self.env.step(a_n) # Take a step File "/home/ryan/anaconda3/envs/acorm/lib/python3.9/site-packages/smac/env/starcraft2/starcraft2.py", line 483, in step self.full_restart() File "/home/ryan/anaconda3/envs/acorm/lib/python3.9/site-packages/smac/env/starcraft2/starcraft2.py", line 449, in full_restart self._launch() File "/home/ryan/anaconda3/envs/acorm/lib/python3.9/site-packages/smac/env/starcraft2/starcraft2.py", line 323, in _launch self._sc2_proc = self._run_config.start( File "/home/ryan/anaconda3/envs/acorm/lib/python3.9/site-packages/pysc2/run_configs/platforms.py", line 200, in start return super(Linux, self).start( File "/home/ryan/anaconda3/envs/acorm/lib/python3.9/site-packages/pysc2/run_configs/platforms.py", line 83, in start return sc_process.StarcraftProcess( File "/home/ryan/anaconda3/envs/acorm/lib/python3.9/site-packages/pysc2/lib/sc_process.py", line 137, in init self._controller = remote_controller.RemoteController( File "/home/ryan/anaconda3/envs/acorm/lib/python3.9/site-packages/pysc2/lib/remote_controller.py", line 142, in init sock = self._connect(host, port, proc, timeout_seconds) File "/home/ryan/anaconda3/envs/acorm/lib/python3.9/site-packages/pysc2/lib/stopwatch.py", line 205, in _stopwatch return func(*args, **kwargs) File "/home/ryan/anaconda3/envs/acorm/lib/python3.9/site-packages/pysc2/lib/remote_controller.py", line 169, in _connect raise ConnectError("Connection rejected. Is something else connected?")

pysc2.lib.remote_controller.ConnectError: Connection rejected. Is something else connected?

I've got this error for several times ,how to solve this problem?