SAP Message BRAIN120 - Variable &2 is not permitted for exchange rate type

Diagnosis
Only parameter variables for InfoObject of type 0RTYPE are permitted fordetermining the exchange rate type for a currency translation. However,V2 is defined on v1.
Furthermore, the entry for the variable should be obligatory becausecurrency translation is switched off automatically if this variable isempty.

System Response
The query cannot be generated.

Procedure
Check the query or the currency translation key &V3&.