SAP Message WRF_REF009 - &4 Neither planning nor forecasting using SAP F&&R for mat. &1/ plant &2

Diagnosis
The combination of material &V1& and plant &V2& is not relevant for SAPForecasting & Replenishment (F&R). Therefore, multiplereferences cannot be assigned to this combination.
If you have activated the check of SAP F&R-relevance forreferences, this combination cannot be assigned as a reference.

System Response
The system cannot process this combination.