Description

Generated from CrashReporter
Logs can be obtained via Crash Reporter

Steps to Reproduce

1. Create basic test scene
2. Create landscape layer
3. Enable Nanite on landscape layer
4. Run "Build Lighting Only"
5. Verify ensure is hit

Callstack
Assertion failed: ExportSettings == *ExistingExportSettings [File:D:\build\++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\Lightmass\Lightmass.cpp] [Line: 546] Attempting to add the same material twice with different export settings, this is not (currently) supported
UnrealEditor-UnrealEd!7ff91a620000  + 12a9854
UnrealEditor-UnrealEd!7ff91a620000  + 12b3439
UnrealEditor-UnrealEd!7ff91a620000  + 126bc72
UnrealEditor-UnrealEd!7ff91a620000  + 1294b82
UnrealEditor-UnrealEd!7ff91a620000  + 126c901
UnrealEditor-UnrealEd!7ff91a620000  + 79b6f6
UnrealEditor-UnrealEd!7ff91a620000  + 77c8e4
UnrealEditor-LevelEditor!FLevelEditorActionCallbacks::Build_Execute() [LevelEditorActions.cpp:758]
UnrealEditor-LevelEditor!TBaseStaticDelegateInstance<void ,FDefaultDelegateUserPolicy>::ExecuteIfSafe() [DelegateInstancesImpl.h:777]
UnrealEditor-Slate!7ff9219b0000  + aeb0
UnrealEditor-Slate!7ff9219b0000  + f411f
UnrealEditor-Slate!7ff9219b0000  + 227d52
UnrealEditor-Slate!7ff9219b0000  + 22d690
UnrealEditor-Slate!7ff9219b0000  + 1f979a
UnrealEditor-Slate!7ff9219b0000  + 29a5fa
UnrealEditor-Slate!7ff9219b0000  + 29df65
UnrealEditor-Slate!7ff9219b0000  + 2bf3e8
UnrealEditor-Slate!7ff9219b0000  + 2300dc
UnrealEditor-Slate!7ff9219b0000  + 13b5a
UnrealEditor-Slate!7ff9219b0000  + 7e365
UnrealEditor-Slate!7ff9219b0000  + 6b562
UnrealEditor-Slate!7ff9219b0000  + 5e2fa
UnrealEditor-ApplicationCore!FWindowsApplication::ProcessDeferredMessage(FDeferredWindowsMessage const &) [WindowsApplication.cpp:2231]
UnrealEditor-ApplicationCore!FWindowsApplication::DeferMessage(TSharedPtr<FWindowsWindow,1> &,HWND__ *,unsigned int,unsigned __int64,__int64,int,int,unsigned int) [WindowsApplication.cpp:2738]
UnrealEditor-ApplicationCore!FWindowsApplication::ProcessMessage(HWND__ *,unsigned int,unsigned __int64,__int64) [WindowsApplication.cpp:1099]
UnrealEditor-ApplicationCore!FWindowsApplication::AppWndProc(HWND__ *,unsigned int,unsigned __int64,__int64) [WindowsApplication.cpp:937]
USER32!7ff9f5f50000  + e7e8
USER32!7ff9f5f50000  + e229
UnrealEditor-ApplicationCore!FWindowsPlatformApplicationMisc::PumpMessages(bool) [WindowsPlatformApplicationMisc.cpp:148]
UnrealEditor!7ff731600000  + 76f2
UnrealEditor!7ff731600000  + 2d28c
UnrealEditor!7ff731600000  + 2d37a
UnrealEditor!7ff731600000  + 30854
UnrealEditor!7ff731600000  + 46984
UnrealEditor!7ff731600000  + 49d7a
KERNEL32!7ff9f6130000  + 17614
ntdll!7ff9f6f10000  + 526a1

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Fixed
ComponentUE - Graphics Features
Affects Versions5.3
Target Fix5.5
Fix Commit34029506
CreatedSep 12, 2023
ResolvedJun 3, 2024
UpdatedJun 19, 2024
View Jira Issue