runtime error

Exit code: 1. Reason: Traceback (most recent call last): File "/home/user/app/app.py", line 52, in <module> rag_system = RAGSystem(top_k_documents=top_k_docs) File "/home/user/app/src/rag_pipeline/rag_system.py", line 28, in __init__ self.llm = self._get_llm() File "/home/user/app/src/rag_pipeline/rag_system.py", line 38, in _get_llm return get_llm_model_chat(temperature=0.1, max_tokens=1000) File "/home/user/app/src/utilities/llm_models.py", line 22, in get_llm_model_chat return ChatGroq( File "/usr/local/lib/python3.10/site-packages/langchain_core/load/serializable.py", line 125, in __init__ super().__init__(*args, **kwargs) File "/usr/local/lib/python3.10/site-packages/pydantic/main.py", line 214, in __init__ validated_self = self.__pydantic_validator__.validate_python(data, self_instance=self) pydantic_core._pydantic_core.ValidationError: 1 validation error for ChatGroq model Input should be a valid string [type=string_type, input_value=None, input_type=NoneType] For further information visit https://errors.pydantic.dev/2.10/v/string_type

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