Message SAP WRMACAT019 - Exception aggregation of key figure &1 not supported

Diagnosis Key figure &V1& has an exception aggregation that is not supported. System Response Key figure &V1& can not be used as a reference for cost allocation. Procedure If you need a key figure with exception aggregation, choose one withexception aggregation LAS (last value), and aggregation characteristic0FISCPER (posting period). If you need a key figure that represents thecurrent inventory, you can alternatively consider an info cube with anon-cumulative key figure as a source of reference data.