Viewing Approval Unit Hierarchy Usage
Approval unit hierarchies might have dependencies such as approval unit assignments or data validation rules which are defined in forms. If dependencies exist for an approval unit hierarchy, the hierarchy can't be deleted until the dependencies are removed. The Usage tab enables you to view approval unit hierarchy dependencies and links you to the forms or scenario and version combinations so you can remove the dependencies, if needed.
To view approval unit hierarchy usage:
Once all dependencies are removed from an approval unit hierarchy, you can delete the hierarchy. See Deleting and Renaming Approval Unit Hierarchies.