SAP Message UPB_CI002 - Basic planning area &1 does not belong to multi-planning area &2

Diagnosis
Planning function &V4& should be executed of multi-plannng area &V2&.
In parameter group &V3& for planning function &V4&, the basic planningarea &V1& was entered as the data source for the values to beprocessed.
However, basic planning area &V1& does not belong to multi-planningarea &V2& at all.

System Response
Processing is terminated.

Procedure
Enter a basic planning area from multi-planning area &V2& in parametergroup &V3&.