SAP Message RS_BCT_CO007 - No single value selection exists for InfoObject &2

Diagnosis
The SAP exit variable &V1& requires a single value selection forInfoObject &V2&. However, this type of selection could not be found forthe current query.

System Response
Processing is terminated.

Procedure for System Administration
Make sure that a variable of the type "single value, required entry" isused for InfoObject &V2& in the current query definition.