Prerequisites
The phases for which you want to edit relationships have been created in the system (see
Editing Operations/Phases or Creating Operations/Phases in the Operation Graphic).If you want to maintain relationships between the phases of different recipes, you must use a change number that complies with the change rules of both recipes when you enter recipe maintenance.
Procedure
.
Depending on the relationship view that has been activated in the recipe profile, the system displays relationships for predecessors and/or successors of the selected phase. If required, change the relationship view as follows:

You can only edit the relationships intended for the relevant relationship view.
The relationship detail screen appears.
and repeat step 5 for all relationships.