how to fix it?"ollama._types.ResponseError"

[JunmingRen]

Traceback (most recent call last):
File "/home/mingjun/agentscope/family_test/test.py", line 32, in
x = dialogAgent(x)
File "/home/mingjun/agentscope/src/agentscope/agents/agent.py", line 278, in call
res = self.reply(*args, **kwargs)
File "/home/mingjun/agentscope/src/agentscope/agents/dialog_agent.py", line 76, in reply
response = self.model(prompt)
File "/home/mingjun/agentscope/src/agentscope/models/model.py", line 115, in checking_wrapper
return model_call(self, *args, **kwargs)
File "/home/mingjun/agentscope/src/agentscope/models/ollama_model.py", line 198, in call
response = self.client.chat(**kwargs)
File "/mnt/data/mingjun/anaconda3/envs/agentscope/lib/python3.9/site-packages/ollama/_client.py", line 180, in chat
return self._request_stream(
File "/mnt/data/mingjun/anaconda3/envs/agentscope/lib/python3.9/site-packages/ollama/_client.py", line 98, in _request_stream
return self._stream(*args, **kwargs) if stream else self._request(*args, **kwargs).json()
File "/mnt/data/mingjun/anaconda3/envs/agentscope/lib/python3.9/site-packages/ollama/_client.py", line 74, in _request
raise ResponseError(e.response.text, e.response.status_code) from None
ollama._types.ResponseError

it happens like above, when i try to get its response?