SAP Message WRF_FOLUPART079 - &: Valid From" date in import file lies in the past

Diagnosis
The start of the validity period of the follow-up/replacement materialrelationship in the import file lies in the past.

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

Procedure
Enter the current date or a date in the future as the start of thevalidity period in the import file.