SAP Message C$529 - Characteristic &1 is in namespace &2 of specification database

Diagnosis
Characteristic &V1& commences with ID code &V2& and is part of the namerange of the specification database.
You need to restrict the characteristic to class type 100 to ensurethat there is no overlap versus other applications. The restrictionensures that the characteristic can only be used for the specificationdatabase.

Procedure
On screen Characteristic Maintenance choose Goto -> Restrict class typeand enter class type 100 in the next screen.