AI Postgres Chat Memory error - weird

Questions
1

I’ve searched forums here and Google but nothing on this.

I’m putting together an AI Agent to write some review content and have added a Postgres Chat Memory node. My thinking is this node stores relevant outputs that can be retreived by a subsequent AI Agent for further content generation.

However I get an error of

Error in sub-node ‘Postgres Chat Memory‘
output values have 13 keys, you must specify an output key or pass only 1 key as output

which makes no sense to me. Hoping someone more knowledgable with this can assist.

BTW, I get the exact same error when trying Window Buffer Memory too

Information on your n8n setup

  • n8n version: 1.60.1
  • Database (default: SQLite): Postgres
  • n8n EXECUTIONS_PROCESS setting (default: own, main): default
  • Running n8n via (Docker, npm, n8n cloud, desktop app): Docker
  • Operating system: Linux
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2

Hi @aussiemartin ,

Could yo ushare your full workflow you’re getting this error in? Would be helpfull to recreate :slight_smile:

3

this was asked 5 days ago
I dropped the idea of memory buffer and moved on to another way to get my result
thanks for the reply though

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4

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