Light Map Resolution is set to a small value (4 or 8), it will build normally.
[Link Removed]
1.Download Attachment file.
2.Create New Project.
3.Move ST_Sphere_LMIdx4_01a.uasset included in attached file to project.
4.Set unique UV for Static Mesh's UV Channel 4. (ref 327164-dix4-uv.png)
5.Set the Light Map Coordinate Index to 4.
6.Place static mesh on the level.
7.Start Lighting build/
Result:Overlap warning
Ref: after Lighting build.png
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-64615 in the post.
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Component | UE - Graphics Features |
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Affects Versions | 4.20.3 |
Target Fix | 4.21 |
Created | Oct 1, 2018 |
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Resolved | Oct 2, 2018 |
Updated | Oct 8, 2018 |