Error when im building lightning

LightingResults: Error: === Lightmass crashed: ===Unhandled Exception: EXCEPTION_INT_DIVIDE_BY_ZERO
Unhandled Exception: EXCEPTION_INT_DIVIDE_BY_ZERO
0x00007ff61a28cddd UnrealLightmass.exe!Lightmass::FStaticLightingSystem::RadiosityIterationThreadLoop() []
0x00007ff61a2941fb UnrealLightmass.exe!Lightmass::FMappingProcessingThreadRunnable::Run() []
0x00007ffdef50d547 UnrealLightmass-Core.dll!UnknownFunction []
0x00007ffdef5067c0 UnrealLightmass-Core.dll!UnknownFunction []
0x00007ffe9cdf7034 KERNEL32.DLL!UnknownFunction []
0x00007ffe9d682651 ntdll.dll!UnknownFunction []
Job has failed! Job executable didn’t exit cleanly. Exit code: 1
LogStaticLightingSystem: Warning: Failed to build lighting!!! Lighting build failed.
DumpUnbuiltLightIteractions
Lights with unbuilt interactions: 0
Primitives with unbuilt interactions: 0