L3 exercise I got this error

L3 exercise I got this error

chain.run(“What is black body radiation?”)

Entering new MultiPromptChain chain…


OutputParserException Traceback (most recent call last)
File /usr/local/lib/python3.9/site-packages/langchain/chains/router/llm_router.py:80, in RouterOutputParser.parse(self, text)
79 expected_keys = [“destination”, “next_inputs”]
—> 80 parsed = parse_json_markdown(text, expected_keys)
81 if not isinstance(parsed[“destination”], str):

L3-Chains cell 74 fails same, found the solution in the older threads.