SAP Message /BCV/QRM710 - Query &1: Use of aggregation function in field &2 without grouping

Diagnosis
For result field &V2& of query &V1&, you have chosen value typeAggregation although you did not set the In Group (
Field in Group) indicator for any resultfield of the query.

System Response
The system can perform aggregation of query result fields only incombination with the grouping functionality.

Procedure
If you want to aggregate the values of result field &V2& activate thegrouping functionality for the query by setting the In Group
indicator of at least one of the other result fields. Otherwise, changethe value of the Filled By field to Search Connector.