How to show skin separator lines in graphic override?

Description

The lines that separate each material on my wall composite are missing after I applied an override. How to show these separator lines?

Solution

There is a section in the Graphic Override manager that needs to be unchecked if you want to turn on skin separator lines for composite structures. 

1. Go to Document > Graphic Overrides > Graphic Override Combination…
2. Proceed to the Graphic Override Rule that is used in the Graphic Override Combination.
3. In the Override Style, uncheck Hide Skin Separators. 
4. Click OK to Save.