I have a few walls/ceilings at angles that should be lit by static lighting, but always appear completely black when lighting is rendered. What could be causing this?
How did you create them? Did they get lightmap UVs set up correctly? Do they receive dynamic lighting, or not that either?
I just added a few planes to the world and added textures, I don’t believe UV maps were set up. All of the lighting is static.
So, if there aren’t lightmap UVs, then there isn’t anything for the lighting to be attached to when the lighting’s baked. They’re black because, as far as Lightmass is concerned, there’s nothing there. UE should let you automatically set up lightmap UVs for the objects in import settings, so it should be an easy fix. That said, for quality purposes, you should probably hand-author them.