Diagnosis
You are processing an item in one of the following situations:
RESET N1
The item is allocated to an alternative item group, and you want todefine the item as a discontinued/follow-up item.
The item is defined as a discontinued/follow-up item, and you want toallocate the item to an alternative item group.
An item can either be a discontinued/follow-up item or be allocated toan alternative item group.

Procedure
Decide whether you want to define the item as a discontinued/follow-upitem or allocate the item to an alternative item group.