When baking your level, for some reason artifacts appear on some meshes. For some reason, some parts of the textures seem to be damaged. I have lightmap compression turned off.
There are no intersections in the UVs, and no errors either.
Bumb
Hey @Yaroslavich, did you find the reason or fix for that?
This is the topic with the same problem: Lightmass baking artifacts on plane mesh - #2 by Fortirus