Diagnosis
You want to maintain or display discontinuation data for one of thefollowing items:
Document item
Class item
Non-stock item
Text item
Intra material
Item defined as PM structure element
Alternative item
Item defined as co-product
You cannot maintain or display discontinuation data for these items.

System Response
The system checks the items for which you want to maintain or displaydiscontinuation data.

Procedure
You can only maintain or display discontinuation data for items thatare relevant to MRP.