Diagnosis
This delivery is already contained in one or more loading groups(s).

System Response
In the ERP system, you can assign a delivery to as many groups as youlike according to group types that are linked to a special function.This is not always a good idea, however. This limitation is effectivein the standard system for loading groups and picking groups.

Procedure
If you do not want the delivery to be assigned to another loadinggroup, you should delete this entry.