SAP Message WXP089 - Classification system characteristic &3 has the wrong value check method

Diagnosis
You have given planning characteristic &V2& the meaning "classificationsystem characteristic &V1&". Currently, only those classificationsystem characteristics, for which the value check uses an externalcheck table or a function module, are supported. The planningcharacteristic for which characteristic planning is to be performed is,however, assigned to classification system characteristic &V3&, forwhich the value check uses a different method.

System Response
Due to this inconsistency, the planning scenario cannot be activated.

Procedure
Change the check method for the classification system characteristicV3 to either "check table" or "function module", and then recheck theplanning scenario.