SAP Message UPC_FW018 - You may not specify selection conditions for characteristic &1 (&2)

Diagnosis
Selection conditions for characteristic &V1& (&V2&) are stored in thecurrent planning package and in the planning level. The selection for acharacteristic must be determined in either the planning package or theplanning level.

Procedure
If you change the planning package, the system automatically deletesthe selection stored in the planning package for the characteristic.