AI Agent does not work after connecting the postgres chat memory node

Questions
1

I have connect postgres chat memory node to AI agent, and I receive an error code like

**Cannot read properties of undefined (reading ‘map’)

Anyone know how to solve this issue?**

2

Hi @Abhiru_Wijesinghe
If you’re using something like LangChain / n8n / a similar framework, the memory object may not be properly initialized.
Check that the Postgres table exists and has the right schema (usually needs a session_id, messages, created_at, etc.).

Make sure you initialize the chat memory with a valid sessionId and confirm the connection string is correct.

1 Like
3

Thank you @chanchall

4

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