Hi @rusdiaman, I am sorry to hear you’re having trouble.
Is the node you’re sending the data from a Postgres node by any chance? This node would occasionally not return the expected string iirc, a behaviour that has been fixed with [email protected]. So you might want to update your n8n version in a first step.
If the problem still persists afterwards, could you perhaps include example data in your demo workflow using which the problem can be reproduced?
Hi @rusdiaman, can you try removing the existing Postgres node from your workflow and add a new one from scratch? Otherwise n8n would keep using the old node version (and sorry, I really should have mentioned that in my previous post).
If this doesn’t fix the problem, can you share your Postgres table schema and an example workflow using which the problem can be reproduced (including the Postgres node as well as the Set node)? Thank you so much and sorry for the trouble!