Diagnosis
The message "Follow-on error based on item & , valid from." is based on a processing error that refers to the specified itemand date. Because of an error that occurred for this item, furtherrelated components for this item can no longer be processed.
Example:
If a generic material is being processedand the updating process finds anerror at the level of generic material header which means that thegeneric material header cannot be created then the related variantscannot be updated either.
The variants then contain the message "Follow-up error based on item , valid from ", whereby the item and valid-from date specifiedrelate to the generic material header.

System Response
Processing is terminated for the item containing the error and alldependent items.

Procedure
Correct the error in the relevant item and then restart updating.