PowerAutomate Flow created using Ai Builder, now wont save

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Posted on by JL-30041927-0

Hi

I created an AI Builder model and i want to use it on a PowerAutomate Cloud pre-built flow.

To be precise, the flow is called "Use form processing model to extract data from email attachments".
When i try to save it an error shows :"WorkflowOperationParametersExtraParameter' and message 'The API operation does not contain a definition for parameter 'item/source'.'."

At first glance, i see no particuliar place affected by this error so i unga-bunga'd my way trouht what could be te origin of it.
My results are: the error stop showing up only when, in the feedback loop, the precise action "Save a file to AI Builder feedback loop" is deleted.

When i look at the Code view, i see no "item/source: error" or the kinds of it.

Can you please help?

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AI Builder

Building flows

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Sunil Kumar Pashikanti 2,318 Moderator on at

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Hi @JL-30041927-0,

If you're using the AI Builder template flow and getting an error like “invalid schema” or “extra parameter”, you're probably hitting a known issue. You're not doing anything wrong, the template is.

What’s happening
Some of these templates still carry an old hidden field (item/source) that isn’t supported anymore. You won’t see it in the UI, but it’s still in the action’s definition, so the API rejects the flow when you try to save.

The easiest fix is:

Delete the “Save a file to AI Builder feedback loop” action
Add it back fresh
Reconfigure the inputs manually

That forces Power Automate to use the updated schema and drops the hidden field.

If that doesn’t work, the fallback is to export the flow, remove item/source from the JSON, and re-import it.
Bottom line: it’s a template mismatch, not your flow logic.

✅ If this answer helped resolve your issue, please mark it as Accepted so it can help others with the same problem.
👍 Feel free to Like the post if you found it useful.

Sunil Kumar Pashikanti, Moderator
Blog: https://sunilpashikanti.com/posts/

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Vahid Ghafarpour 817 on at

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I believe the prebuilt flow “Use form processing model to extract data from email attachments” uses a deprecated or version-mismatched AI Builder feedback loop action.

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