UE4 Overlapping faces issue but there are no overlaping faces

Development Asset Creation
1

Hey guys,
i have a huge problem within UE4, after exporting a very simple object with 39 polys from 3ds Max 2014, UE4 gives me after importing the object and clicking build for the lights an error. I can also see it on the object, it look
like a issue on the mesh, basically like overlapping faces but there are no overlapping faces in max, it is a simple object. UE4 gives me also the issue message “overlapping faces” what is the issue? i need really help cause this issue drives me really crazy…

2

You need a second UV channel that is unwrapped uniquely. Otherwise it uses channel 0 which most of the time has overlapping UVs and thats causing this message. This can be set in the static mesh viewer and is called lightmap coordinate index.

3

thanx for the answer!