Diagnosis
You want to change the assignment to a WBS element in an individualorder or in a collective order although a settlement has already beenexecuted. The settlement rule of the order or the orders in thecollective order can no longer be adjusted.

System Response
Whether this activity is permitted depends on the type of this messageset in Customizing.

Procedure
If the type of this message allows the change, you have to correct theexisting settlement rule of the order manually and create a newsettlement rule for the new WBS element.