Odoo: is of type integer but expression is of type record

[COM_Moritz]

Describe the problem/error/question

I am useing the Odoo node to post a message in the ERP system (from email).

I am getting the following error now:

But the strange thing is, it worked before, and I did not change anything in the expression

It is very strange for me, since (think) i am passing a array as Odoo would expect. I would appreciate any help.

Please share your workflow

Information on your n8n setup

Using the hosted version of app.n8n.cloud

[n8n]

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• Database (default: SQLite):
• n8n EXECUTIONS_PROCESS setting (default: own, main):
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