Assets with metalness get dark after using GPU Light Mass Light bake

Development Rendering
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Trying to bake a scene using GPULM and some of the surfaces with metalness turn darker after they get baked. Any explanation would be great.

2

Download the ‘Lighting in Unreal Engine 5 for Educators and Students’ guide

Gpu Lightmass Global Illumination In Unreal Engine | Unreal Engine 5.4 Documentation | Epic Developer Community (epicgames.com)

Lightmass Basics In Unreal Engine | Unreal Engine 5.4 Documentation | Epic Developer Community (epicgames.com)