Not able to extract any entities; LLM is not working error. Writing graph with 0 nodes, 0 edges.

[shalini-agarwal]

I am getting this error with both ollama_demo and hf_demo lightrag files. The program finishes its entity extraction but it returns with this final message -

WARNING:lightrag:Didn't extract any entities, maybe your LLM is not working
WARNING:lightrag:No new entities and relationships found
INFO:lightrag:Writing graph with 0 nodes, 0 edges

I have tried running the ollama_demo file on my system in VS Code and the hf_demo file in Google Collab. I saw that others have faced this issue as well but I can't seem to recall if there has been a fix for this issue. Can some one please help?