Auto generating lightmaps in the editor for lods, causes them to sometimes extend over the UV border, which results in Error : Object has wrapping UVs when building lights.
It is an engine bug .
Modes/Basic/Cylinder put on scene.
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Set number of lods 2
Lod1 / Reduction triangles / “5” / Applay
On my Meshes, this problem appears with a reduction set to 80.
Yeah, it seems to be the easiest to reproduce on cylindrical models.
Having the same issue with all of my meshes immediately after upgrading to 4.15.