SAP Message /MAP/M858 - APD process &1: additive infl. factor &2 missing in regression analysis

Diagnosis
Influencing factor &V2& is an additive influencing factor and musttherefore be available in the regression analysis.
According to the naming convention, the values of influencing factorV2 must be stored in a field with the name v3. there is, however, nofield with this name in the list of inbound fields in the regressionanalysis.

System Response
Processing is cancelled.

Procedure
Include influencing factor &V2& in the list of inbound fields for theregression analysis under the field name &V3&.