SAP Message QC021 - The material specification was not maintained

Diagnosis
Certificateprofile &V1& &V2&, version &V3& has been assigned to at least onematerial as a key word.
However, the material specification has not been maintained for any ofthe indicated materials.
This material specification is required so the material-specificassignment of master inspection characteristic to class characteristiccan be found.

Procedure
Maintain the material specification or select another data origin forcharacteristic &V4& in the certificate profile.