Lightmap Build Errors !

Development Rendering
1

Hi :rolleyes:
Here is my screen shot of my design in Unreal Engine 4, after light build i got these black colors some models, How can I fix That ?

2

Hi mhmudfadel,

This looks like you’ll need to setup and use a second UV for your lightmap.

Do you have a second UV setup? If so, can you post a screen shot of it?