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5.7 Lightmass Issues (Crashes and Bugs)
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1
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129
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March 5, 2026
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Unreal (5.4.4 and 5.6 Preview) Lightmass on Mac stopping at 0%
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11
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625
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February 20, 2026
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GPU Lightmass Error: Array index out of bounds
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2
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54
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February 12, 2026
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How to Get GPU Lightmass Working with HLODs?
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1
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53
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January 26, 2026
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Does Lightmass Important volumes actually do anything?
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0
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19
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January 24, 2026
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lightmass crashing
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10
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279
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January 3, 2026
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Lightmass crashes every build
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11
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9633
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December 20, 2025
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T.array resize error
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1
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40
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November 24, 2025
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UE5 - VirtualTextureAllocator crash when building lighting with GPULightmass
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7
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1244
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November 7, 2025
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Add Swarm Agent back to UE5.6
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0
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55
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August 8, 2025
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Tutorial: Fix GPU Lightmass Crashes in Unreal Engine 5 – Find Problematic Assets Automatically!
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0
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298
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July 4, 2025
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GPU Lightmass Point Light - Source Radius
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0
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58
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May 20, 2025
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Crashes all the time with lightass scene
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0
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64
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April 25, 2025
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GPU Lightmass support for RX7000/RDNA3 GPU's
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0
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91
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April 10, 2025
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Moving Sub-Level Location does not also move Baked Lighting with it.
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14
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4443
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February 16, 2025
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Swarm agent connection issues
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1
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639
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January 22, 2025
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Unreal lightMass Broken on UE 5.1, 5.2 and 5.3 on M1 Mac?
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5
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1204
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January 15, 2025
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No working lighting in HTML5/Mobile
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0
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889
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April 16, 2015
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Black artefacts with GPU Lightmass on large meshes
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0
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167
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January 5, 2025
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Lightmap from previous versions not being loaded in 5.5.1
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0
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82
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December 24, 2024
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Why does my baked lighting look so flat?
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3
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123
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November 27, 2024
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Access static lighting information from c++
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1
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343
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November 26, 2024
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What is AOMaterialMask(generated from Lightmass, stored in Lightmap) and how should I use it?
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2
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86
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October 30, 2024
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Quixel Bridge models don't have Lightmap UVs, and if generated, lightmass bake them black!
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4
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1114
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July 10, 2024
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Lightmass importance volume crashes during lighting building
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2
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170
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May 14, 2024
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Problem with low quality staircase-like shadows on the static geometry
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0
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169
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May 10, 2024
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Softening Shadow Edges in CPU-Rendered Lightmaps
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2
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188
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May 3, 2024
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UE 5.0 1080TI GTX raytracing not working
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4
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1664
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April 24, 2024
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Lightmass Crashing
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4
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1699
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April 14, 2024
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Swarm IOException - can't build lightmap
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6
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1135
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March 30, 2024
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