SAP Connector - 'GenerateJsonSchema' is too large

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Posted on by Pokke

Dear all,

we using the SAP Connector for a while and everything is fine. But since the the call SAP function V1 is deprecated we got the following problem.

By some of the SAP BAPI´s we want to call via Power Automate, Power Automate says the following:

"The dynamic schema response from API 'saperp' operation 'GenerateJsonSchema' is too large, only schemas with at most '1024' properties are supported."

In this Case i only want to create a pruchase requisition in SAP, but it dont work.

Is there any chance to fix this Problem?

@dgalitsky : Last time i got a Problem with SAP Connector you helped me. Maybe you can have a look. Thanks.

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scottwoodall Microsoft Employee on at

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Re: SAP Connector - 'GenerateJsonSchema' is too large

This is a known issue, and we are currently working on a fix for it. The Power Automate designer doesn't perform well when there are large numbers of parameters, so if an RFC/BAPI has over 1024 parameters you'll see this message.

I don't have a time frame for when a fix will be rolled out, but an engineer is currently working on this.

Cheers,
Scott