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Anisha

While trying to create or update a custom resource (such as a lead), the node does not seem to load all the available fields properly and showing server issue "Issues:

  • There was a problem loading the parameter options from server: "[object Object]" "

Because of this, some required fields are missing from the configuration, which is impacting the workflow execution.

I have already verified the connection credentials, base URL, and overall configuration, and everything appears to be set up correctly from my end. 

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Kunjan Patel

Hello, Yes, it's an n8n version regression bug - not your fault. Fix options:
- Downgrade n8n to your last working version
- Use the HTTP Request node with /jsonrpc as a workaround
- Report/upvote the bug on n8n GitHub issues Your config is fine. Wait for n8n to patch it, or downgrade.

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Anisha
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The configuration I made in odoo native node was working absolutely fine until n8n was not updated, with the recent two versions of n8n, it is giving this server issue. 

I am using api key only instead of password and no trailing slash to setup the connection and it's successful.

Is this any version compatibility issue? 

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Kunjan Patel
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Hello Anisha,
I hope you are doing well

The error [object Object] in n8n's Odoo node means the API call to fetch fields is failing. Most likely causes:
1. Wrong model name - Use the exact technical name like crm.lead, not "Leads"
2. Insufficient permissions - The API user needs read access to the model
3. URL issue - No trailing slash, correct https://, no proxy blocking /xmlrpc/
4. Use API Key (Odoo 14+) instead of password

Workaround: Skip the native Odoo node and use n8n's HTTP Request node with Odoo's JSON-RPC endpoint (/jsonrpc) instead - it's more reliable.

I hope this information helps you

Thanks & Regards,
Kunjan Patel
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