The dynamic schema response from API 'commondataserviceforapps' operation 'GetPredictionSchema' is too large, only schemas with at most '1024' properties are supported

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Posted on by Prajakta05

Hello All,

My team tried creating a Power Automate flow where we used 'Extract information from forms' action.

While trying to save the flow, following error is thrown-

'The dynamic schema response from API 'commondataserviceforapps' operation 'GetPredictionSchema' is too large, only schemas with at most '1024' properties are supported' & the flow remained unsaved.

I would like to know the meaning of the error & possible workaround for same.

Screenshot (2) (1).png

Thanks in advance!

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Using flows

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Expiscornovus 33,195 Most Valuable Professional on at

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Hi @Prajakta05,

Looks like you are hitting some kind of limit. Does your Document processing model have a lot of fields by any chance?

Maybe @JoeF-MSFT knows or could help out with this one?

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Prajakta05 86 on at

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Thanks @Expiscornovus,
Waiting for workaround!

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Mira Ghaly 11,413 Moderator on at

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@Prajakta05

Have you been able to resolve this problem, I am running into the same situation and there is no clear direction of the Limits of the fields in the AI Model , thanks

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jmon 89 on at

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I am having the exact same thing with a new AL Model that I am learning from and testing. I have about 22 text boxes and 260 checkboxes. Is this really too much for AI?

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Mira Ghaly 11,413 Moderator on at

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@jmon

Yes the limit is around 300 fields but it can be the same case, I have explained how to overcome this issue in the blog article below:

https://wp.me/pc1V7C-Ak

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jmon 89 on at

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Thanks @Mira_Ghaly I will take a look but I am under 300.

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jmon 89 on at

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I am just on the bounding option and getting this error.

{"operationStatus":"Error","error":{"type":"Error","code":"InvalidPredictionInput","message":"Invalid property identifier character: “. Path '', line 2, position 0."},"predictionId":null}

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jmon 89 on at

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I got it going but now I am failing on JSON because of Null.

Anyway to has the parse ignore NULL?

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