hi , it has error

[ramin951]

AttributeError: st.session_state has no attribute "messages". Did you forget to initialize it? More info: https://docs.streamlit.io/develop/concepts/architecture/session-state#initialization
Traceback:
File "D:****.venv\chatbot\Lib\site-packages\streamlit\runtime\scriptrunner\script_runner.py", line 589, in _run_script
exec(code, module.dict)
File "D:\project\chatbot\pages\5_🛢_chat_with_sql_db.py", line 94, in
obj.main()
File "D:\project\chatbot\utils.py", line 35, in execute
func(*args, kwargs)
File "D:\project\chatbot\pages\5_🛢_chat_with_sql_db.py", line 77, in main
st.session_state.messages.append({"role": "user", "content": user_query})
^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:*.venv\chatbot\Lib\site-packages\streamlit\runtime\state\session_state_proxy.py", line 129, in getattr
raise AttributeError(_missing_attr_error_message(key))

[shashankdeshpande]

@ramin951 That key is getting assigned in decorator - refer this

langchain-chatbot.streamlit.app is also using same codebase and didn't face this issue.

Could you please provide more details about the issue?