Diagnosis
The priority used for the follow-up/replacement material relationship inthe import file is not defined in the system.
The Priority flag is set in Customizing for the follow-up type ofthe follow-up/replacement material relationship. When this flag is set,you have to specify a priority for the follow-up/replacement materialrelationship.

System Response
The system does not create or change the follow-up/replacement materialrelationship.

Procedure
Specify a priority in the import file that is defined in the system.