# Lighting Needs to be Rebuilt | GPU Lightmass

**URL:** <https://forums.unrealengine.com/t/lighting-needs-to-be-rebuilt-gpu-lightmass/2170458>\
**Category:** Rendering\
**Tags:** baked-lighting, unreal-engine\
**Created:** [December 4, 2024, 3:28pm UTC](https://forums.unrealengine.com/t/lighting-needs-to-be-rebuilt-gpu-lightmass/2170458 "2024-12-04T15:28:43Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![BestMZ123](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@BestMZ123](https://forums.unrealengine.com/u/BestMZ123)\
**Post date:** [December 4, 2024, 3:28pm UTC](https://forums.unrealengine.com/t/lighting-needs-to-be-rebuilt-gpu-lightmass/2170458/1 "2024-12-04T15:28:43Z")

</div>

I bake lightning with GPU lightmass. But 480 of the 5,400 objects remain unbuilt.

---

<div class="post-metadata">

**Author:** ![BestMZ123](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@BestMZ123](https://forums.unrealengine.com/u/BestMZ123)\
**Post date:** [December 4, 2024, 4:05pm UTC](https://forums.unrealengine.com/t/lighting-needs-to-be-rebuilt-gpu-lightmass/2170458/2 "2024-12-04T16:05:49Z")

</div>

I baked the light several times but the objects still remained  
not baked

---

<div class="post-metadata">

**Author:** ![Kratos\_again](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Kratos\_again](https://forums.unrealengine.com/u/Kratos_again)\
**Post date:** [March 6, 2025, 9:46am UTC](https://forums.unrealengine.com/t/lighting-needs-to-be-rebuilt-gpu-lightmass/2170458/3 "2025-03-06T09:46:34Z")

</div>

what version of UE and did you solve this ?