SAP Message USMD1082 - Data model &1, entity type &2, attribute &3: No reference field

Diagnosis
The attribute &V3& is being used as a currency-supplying/unit-supplyingattribute. For this purpose, the attribute type should be Currency
or Unit.

System Response
The data model cannot be saved.

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