SAP Message BRAIN158 - Currency/Unit may not be initial

Diagnosis
The key figure &V2& has the characteristic &V1& as currency/unit. &v1&is initial in this data record,
but the key figure &V2& has the value &V3&. (Subcube = &V4&)
There may be an error in input-readiness control.

System Response
The changes cannot be saved.

Procedure
Change the query or at least the current drilldown.