SAP Message USMD1080 - Ent.type &1: Currency/unit-supplying attr. &2 is invalid for attr. &3

Diagnosis
The currency-supplying/unit-supplying attribute &V2& must be a directattribute of the entity type &V1&.

System Response
The data model cannot be saved or activated.

Procedure
Use the input help to select the currency-supplying/unit-supplyingattribute.