Diagnosis
You have tried to change the equiment number for a specific item. Thisis not possible since this item was created by copying the CEMrequirement &v1&/&v2&.

Procedure
First you must delete the item (by doing this the status of therequirement, amongst other things, is changed from the status definingthat shipping has been executed to "requirement confirmed". Then youcan create the item with the new equipment.