# Building Lighting turns objects black. Again

**URL:** <https://forums.unrealengine.com/t/building-lighting-turns-objects-black-again/561808>\
**Category:** Rendering\
**Tags:** building-lighting, unreal-engine\
**Created:** [May 20, 2022, 9:01am UTC](https://forums.unrealengine.com/t/building-lighting-turns-objects-black-again/561808 "2022-05-20T09:01:47Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![Last\_Farmer](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/last_farmer/32/906838_2.png) [@Last\_Farmer](https://forums.unrealengine.com/u/Last_Farmer)\
**Post date:** [May 23, 2022, 9:51am UTC](https://forums.unrealengine.com/t/building-lighting-turns-objects-black-again/561808/4 "2022-05-23T09:51:40Z")

</div>

Problem solved !!  
The issue was given by the Lumen system in UE5.  
It doesn’t support light baking and disable all lightmaps !!

 ![Lumen](https://d3kjluh73b9h9o.cloudfront.net/original/4X/7/9/e/79ee2b2587148e5d3d8c019872c4ebe40be595cc.jpeg)

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