Diagnosis
The key figure &V2& has exception aggregation &V3& with referencecharacteristic &V1&. For this reason, a change data record &V2& canonly be filled when &V1& is also filled. This is not the case here.
There may be an error in the input-readiness control.

System Response
The changes cannot be saved.

Procedure
Change the query or at least the current drilldown.