When using the new Rebuild Lighting commandlet will cause a crash with any level that builds when it has a landscape in the scene.
https://github.com/EpicGames/UnrealEngine/commit/f89256dd0efb7d0b1427729a8f8a6007
Tested this with 4.11.2, 4.12, and 4.13 Dev- Editor CL-2998013. All have the same result with the crash.
Frequency: 3/3
1. Open UE4
2. Add a Landscape to the level
3. Name the Level when saving.
4. Save everything and close the editor
5. Navigate to your Engine/Binaries/WIn64 folder
6. Create a shortcut of UE4Editor.exe
7. Open the Shortcuts properties and add the following commandlet "[c:/Your/Project/Here.uproject]" -run=resavepackages -buildlighting -allowcommandletrendering -map= [MyMap].umap
8. Double-click and run the UE4Editor shortcut with the commandlet
Regression: No
Results: Crash when building lighting with a landscape in the level
Expected: The commandlet will not crash on load.
Integer divide-by-zero - code c0000094 (first/second chance not available) UE4Editor_Landscape!FLandscapeEditDataInterface::GetWeightDataTemplFast<`anonymous namespace'::TArrayStoreData<unsigned char> >() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\landscape\private\landscapeeditinterface.cpp:2934] UE4Editor_Landscape!FLandscapeEditDataInterface::GetWeightDataFast() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\landscape\private\landscapeeditinterface.cpp:3687] UE4Editor_UnrealEd!GetLandscapeOpacityData() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\editor\unrealed\private\lightmass\lightmasslandscaperender.cpp:242] UE4Editor_UnrealEd!FLightmassMaterialRenderer::GenerateMaterialPropertyData() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\editor\unrealed\private\lightmass\lightmassrender.cpp:993] UE4Editor_UnrealEd!FLightmassMaterialRenderer::GenerateMaterialData() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\editor\unrealed\private\lightmass\lightmassrender.cpp:903] UE4Editor_UnrealEd!FLightmassExporter::ExportMaterial() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\editor\unrealed\private\lightmass\lightmass.cpp:1207] UE4Editor_UnrealEd!FLightmassExporter::WriteToMaterialChannel() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\editor\unrealed\private\lightmass\lightmass.cpp:689] UE4Editor_UnrealEd!FLightmassProcessor::ExecuteAmortizedMaterialExport() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\editor\unrealed\private\lightmass\lightmass.cpp:2453] UE4Editor_UnrealEd!FStaticLightingSystem::UpdateLightingBuild() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\editor\unrealed\private\staticlightingsystem\staticlightingsystem.cpp:2148] UE4Editor_UnrealEd!UEditorEngine::UpdateBuildLighting() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\editor\unrealed\private\staticlightingsystem\staticlightingsystem.cpp:2305] UE4Editor_UnrealEd!UResavePackagesCommandlet::PerformAdditionalOperations() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\editor\unrealed\private\commandlets\contentcommandlets.cpp:806] UE4Editor_UnrealEd!UResavePackagesCommandlet::LoadAndSaveOnePackage() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\editor\unrealed\private\commandlets\contentcommandlets.cpp:376] UE4Editor_UnrealEd!UResavePackagesCommandlet::Main() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\editor\unrealed\private\commandlets\contentcommandlets.cpp:642] UE4Editor!FEngineLoop::PreInit() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\launch\private\launchengineloop.cpp:1698] UE4Editor!GuardedMain() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\launch\private\launch.cpp:110] UE4Editor!GuardedMainWrapper() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\launch\private\windows\launchwindows.cpp:126] UE4Editor!WinMain() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\launch\private\windows\launchwindows.cpp:200] UE4Editor!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:264] kernel32 ntdll
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There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-31654 in the post.
| 0 |
| Component | UE - Graphics Features |
|---|---|
| Affects Versions | 4.11, 4.12, 4.13 |
| Target Fix | 4.13 |
| Fix Commit | 3032818 |
|---|---|
| Main Commit | 3053789 |
| Created | Jun 6, 2016 |
|---|---|
| Resolved | Jun 29, 2016 |
| Updated | May 2, 2018 |