SAP Message WRF_FOLUPART064 - &: Original material & from import file does not exist

Diagnosis
The original material specified for the follow-up/replacement materialrelationship in the import file is not defined n the material master.

System Response
The system does not create, change, or delete the follow-up/replacementmaterial relationship.

Procedure
Specify an original material with a defined material master in theimport file.