From my experience, if a LLM starts repeating itself, it means it has given you everything it could, if you get anything new, it will most likely be a hallucina

From my experience, if a LLM starts repeating itself, it means it has given you everything it could, if you get anything new, it will most likely be a hallucination. So consider these frustrating interactions as the LLM way of saying "I don't know". You may be able to squeeze a bit more information if you insist but to me, the risk of hallucination is just too high to be worth it.