right i solved the previous one , code is quoted before in the documentation . However another error persists me/gp/.vscode/extensions/ms-python.debugpy-2024.10.0-linux-x64/bundled/libs/debugpy/adapter/../../debugpy/launcher 49483 -- /home/gp/Documents/llama_neb/mind_exp.py Traceback (most recent call last): File "/home/gp/Documents/llama_neb/mind_exp.py", line 377, in <module> query_engine = GraphRAGQueryEngine(graph_store=graph_store, llm=llm) NameError: name 'graph_store' is not defined. Did you mean: 'GraphRAGStore'?