The model produced invalid content. Consider modifying your prompt if you are seeing this error persistently

I have been trying to use o1-preview and o1-mini and have the same error:

llm = LLM(
        model="o1-mini",
        api_key=openai_api_key
    )

OpenAIException - Error code: 500 - {'error': {'message': 'The model produced invalid content. Consider modifying your prompt if you are seeing this error persistently.', 'type': 'model_error', 'param': None, 'code': None}}