# Lightmass crashed

**URL:** <https://forums.unrealengine.com/t/lightmass-crashed/133526>\
**Category:** Rendering\
**Tags:** unreal-engine\
**Created:** [November 15, 2019, 8:56am UTC](https://forums.unrealengine.com/t/lightmass-crashed/133526 "2019-11-15T08:56:49Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![anonymous\_user\_f26c856c1](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@anonymous\_user\_f26c856c1](https://forums.unrealengine.com/u/anonymous_user_f26c856c1)\
**Post date:** [November 15, 2019, 8:14pm UTC](https://forums.unrealengine.com/t/lightmass-crashed/133526/2 "2019-11-15T20:14:07Z")

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Hi!

Maybe you’ll just need to clean and then validate your swarm agent cache!

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>
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