SAP Message BRAIN119 - Variable &2 is not allowed for the conversion key date

Diagnosis
Only parameter variables for InfoObject of type date are permitted fordetermining the key date for a currency translation. However, &V2& isdefined for &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&.