runtime error

Exit code: 1. Reason: Environment variables (read from OS or .env): NEO4J_URI: Set NEO4J_USER: Not Set NEO4J_PASSWORD: Set GEMINI_API_KEY: Not Set (REQUIRED for Gemini) Attempting to connect to Neo4j... Successfully connected to Neo4j. Initializing Google Gemini LLM... Error during Neo4j connection or initial setup: GEMINI_API_KEY secret not set. This is required to use the Gemini API. Full Traceback: Traceback (most recent call last): File "/home/user/app/app.py", line 40, in <module> raise ValueError("GEMINI_API_KEY secret not set. This is required to use the Gemini API.") ValueError: GEMINI_API_KEY secret not set. This is required to use the Gemini API. Setting up Gradio interface... Traceback (most recent call last): File "/home/user/app/app.py", line 181, in <module> title=f"Neo4j Graph QA with LangChain & Gemini ({gemini_model_name})", NameError: name 'gemini_model_name' is not defined

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