Inconsistent aggregation behavior - activation will be terminated

What causes this issue?

If multiple requests are activated together, aggregation behavior of
updated InfoObjects saved during loading has to be identical. This is
not the case for the selected requests.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

a.) Delete the loaded requests from the DataStore object. Correct the
update or transformation rules so that the criterion above is fulfilled.
Then you can load the data again and activate the requests together.
or
b.) Activate the requests separately.

Procedure for System Administrators

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Error message extract from SAP system. Copyright SAP SE.