# Is Lightmass broken in 4.13?

**URL:** <https://forums.unrealengine.com/t/is-lightmass-broken-in-4-13/73404>\
**Category:** Rendering\
**Tags:** unreal-engine\
**Created:** [September 11, 2016, 7:00pm UTC](https://forums.unrealengine.com/t/is-lightmass-broken-in-4-13/73404 "2016-09-11T19:00:08Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![Tim\_Hobson](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Tim\_Hobson](https://forums.unrealengine.com/u/Tim_Hobson)\
**Post date:** [September 11, 2016, 7:55pm UTC](https://forums.unrealengine.com/t/is-lightmass-broken-in-4-13/73404/4 "2016-09-11T19:55:09Z")

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Try adjusting the lightmap resolution lower. Reference thebsp section here.

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