Lightmass crashing if an object is in the wrong spot on a level?

Development Rendering
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I’ve got an asset that breaks the lighting build, but only if it’s on one side of a level? First screenshot it builds successfully, and then I move that object to the second position and the entirely lighting build crashes.

Working build
Working build1721×1026 102 KB

Broken build
Broken build1725×1022 150 KB

Full error text

=== Lightmass crashed: ===Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0xffffffffffffffff
Fatal error: [File:D:\build\++UE5\Sync\Engine\Source\Programs\UnrealLightmass\Private\Lighting\LightingSystem.cpp] [Line: 1458] 
Static lighting thread exception:
Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0xffffffffffffffff

0x00007ffa5e9e85a2 embree.dll!UnknownFunction []
0x00007ffa5e5195f0 embree.dll!UnknownFunction []
0x00007ff6aba87fff UnrealLightmass.exe!Lightmass::FEmbreeAggregateMesh::IntersectLightRay() []
0x00007ff6aba6b5ea UnrealLightmass.exe!Lightmass::FStaticLightingSystem::CachePointIncomingRadiance() []
0x00007ff6abb0d614 UnrealLightmass.exe!Lightmass::FStaticLightingSystem::ProcessCacheIndirectLightingTask() []
0x00007ff6abb01f2d UnrealLightmass.exe!Lightmass::FStaticLightingSystem::CalculateIndirectLightingTextureMapping() []
0x00007ff6abb10038 UnrealLightmass.exe!Lightmass::FStaticLightingSystem::ProcessTextureMapping() []
0x00007ff6abaf58c4 UnrealLightmass.exe!Lightmass::FStaticLightingSystem::ThreadLoop() []
0x00007ff6abaf0dc6 UnrealLightmass.exe!Lightmass::FMappingProcessingThreadRunnable::Run() []
0x00007ffa57eb9247 UnrealLightmass-Core.dll!UnknownFunction []
0x00007ffa57eb2720 UnrealLightmass-Core.dll!UnknownFunction []
0x00007ffb50747034 KERNEL32.DLL!UnknownFunction []
0x00007ffb52202651 ntdll.dll!UnknownFunction []

0x00007ff6abb20bb0 UnrealLightmass.exe!DispatchCheckVerify<void,<lambda_5eec4f0fb0b836f5e3b32f7363c22d84>,FLogCategoryLogLightmass,wchar_t [38],wchar_t const *>() []
0x00007ff6abae5956 UnrealLightmass.exe!Lightmass::FStaticLightingSystem::MultithreadProcess() []
0x00007ff6abab51e3 UnrealLightmass.exe!Lightmass::FStaticLightingSystem::FStaticLightingSystem() []
0x00007ff6aba698b1 UnrealLightmass.exe!Lightmass::BuildStaticLighting() []
0x00007ff6aba8cda1 UnrealLightmass.exe!Lightmass::LightmassMain() []
0x00007ff6abaacf97 UnrealLightmass.exe!main() []
0x00007ff6abb15ebc UnrealLightmass.exe!__scrt_common_main_seh() []
0x00007ffb50747034 KERNEL32.DLL!UnknownFunction []
0x00007ffb52202651 ntdll.dll!UnknownFunction []

What can I do about this?