Description

Does not reproduce in //UE5/Main CL 20075312

HLOD dialog is reporting a fatal error while trying to build HLODs in a level with a particular blueprint the user created. HLODs build with out the blueprints. 

Steps to Reproduce

1. Open attached project.
2. Go to Build -> Build HLODs -> Confirm Build HLODs
3. Wait for HLODs to build

Expected Results:
HLODs finishing building.

Actual Results:
Fatal error is reported within the HLOD dialog and the HLOD fails to build.

Callstack
=== Critical error: ===

Fatal error!

Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x000005c440d00000

[Callstack] 0x00007ff953dbf8e1 UnrealEditor-Engine.dll!TConstSetBitIterator<FDefaultBitArrayAllocator>::FindFirstSetBit() [D:\build\++UE5\Sync\Engine\Source\Runtime\Core\Public\Containers\BitArray.h:1840]
[Callstack] 0x00007ff9559555b8 UnrealEditor-Engine.dll!FTextureCompilingManager::ProcessTextures() [D:\build\++UE5\Sync\Engine\Source\Runtime\Engine\Private\TextureCompiler.cpp:559]
[Callstack] 0x00007ff955954a84 UnrealEditor-Engine.dll!FTextureCompilingManager::ProcessAsyncTasks() [D:\build\++UE5\Sync\Engine\Source\Runtime\Engine\Private\TextureCompiler.cpp:686]
[Callstack] 0x00007ff95418c5dc UnrealEditor-Engine.dll!FAssetCompilingManager::ProcessAsyncTasks() [D:\build\++UE5\Sync\Engine\Source\Runtime\Engine\Private\AssetCompilingManager.cpp:349]
[Callstack] 0x00007ff955b81052 UnrealEditor-Engine.dll!UWorld::AddToWorld() [D:\build\++UE5\Sync\Engine\Source\Runtime\Engine\Private\World.cpp:2821]
[Callstack] 0x00007ff9549fb56d UnrealEditor-Engine.dll!ULevelStreaming::UpdateStreamingState() [D:\build\++UE5\Sync\Engine\Source\Runtime\Engine\Private\LevelStreaming.cpp:581]
[Callstack] 0x00007ff955bc397b UnrealEditor-Engine.dll!UWorld::UpdateLevelStreaming() [D:\build\++UE5\Sync\Engine\Source\Runtime\Engine\Private\World.cpp:3929]
[Callstack] 0x00007ff955b92471 UnrealEditor-Engine.dll!UWorld::FlushLevelStreaming() [D:\build\++UE5\Sync\Engine\Source\Runtime\Engine\Private\World.cpp:4170]
[Callstack] 0x00007ff955c28156 UnrealEditor-Engine.dll!UWorldPartitionLevelStreamingDynamic::LoadInEditor() [D:\build\++UE5\Sync\Engine\Source\Runtime\Engine\Private\WorldPartition\WorldPartitionLevelStreamingDynamic.cpp:60]
[Callstack] 0x00007ff93bc6d6cd UnrealEditor-WorldPartitionHLODUtilities.dll!CreateLevelStreamingFromHLODActor() [D:\build\++UE5\Sync\Engine\Plugins\Editor\WorldPartitionHLODUtilities\Source\Private\WorldPartitionHLODUtilities.cpp:45]
[Callstack] 0x00007ff93bc6afb8 UnrealEditor-WorldPartitionHLODUtilities.dll!FWorldPartitionHLODUtilities::BuildHLOD() [D:\build\++UE5\Sync\Engine\Plugins\Editor\WorldPartitionHLODUtilities\Source\Private\WorldPartitionHLODUtilities.cpp:344]
[Callstack] 0x00007ff955b854e1 UnrealEditor-Engine.dll!AWorldPartitionHLOD::BuildHLOD() [D:\build\++UE5\Sync\Engine\Source\Runtime\Engine\Private\WorldPartition\HLOD\HLODActor.cpp:198]
[Callstack] 0x00007ff965ffb74c UnrealEditor-UnrealEd.dll!UWorldPartitionHLODsBuilder::BuildHLODActors() [D:\build\++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\WorldPartition\WorldPartitionHLODsBuilder.cpp:479]
[Callstack] 0x00007ff9660350a6 UnrealEditor-UnrealEd.dll!UWorldPartitionHLODsBuilder::RunInternal() [D:\build\++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\WorldPartition\WorldPartitionHLODsBuilder.cpp:305]
[Callstack] 0x00007ff9660339b4 UnrealEditor-UnrealEd.dll!UWorldPartitionBuilder::Run() [D:\build\++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\WorldPartition\WorldPartitionBuilder.cpp:277]
[Callstack] 0x00007ff966034858 UnrealEditor-UnrealEd.dll!UWorldPartitionBuilder::RunBuilder() [D:\build\++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\WorldPartition\WorldPartitionBuilder.cpp:87]
[Callstack] 0x00007ff9653a1c0e UnrealEditor-UnrealEd.dll!UWorldPartitionBuilderCommandlet::Main() [D:\build\++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\Commandlets\WorldPartitionBuilderCommandlet.cpp:101]
[Callstack] 0x00007ff65d8b948e UnrealEditor.exe!FEngineLoop::PreInitPostStartupScreen() [D:\build\++UE5\Sync\Engine\Source\Runtime\Launch\Private\LaunchEngineLoop.cpp:3659]
[Callstack] 0x00007ff65d8b0bbd UnrealEditor.exe!GuardedMain() [D:\build\++UE5\Sync\Engine\Source\Runtime\Launch\Private\Launch.cpp:137]
[Callstack] 0x00007ff65d8b0e8a UnrealEditor.exe!GuardedMainWrapper() [D:\build\++UE5\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:147]
[Callstack] 0x00007ff65d8b3c4d UnrealEditor.exe!LaunchWindowsStartup() [D:\build\++UE5\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:283]
[Callstack] 0x00007ff65d8c5534 UnrealEditor.exe!WinMain() [D:\build\++UE5\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:330]
[Callstack] 0x00007ff65d8c86e6 UnrealEditor.exe!__scrt_common_main_seh() [d:\a01\_work\6\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:288]
[Callstack] 0x00007ff9e7027c24 KERNEL32.DLL!UnknownFunction []
[Callstack] 0x00007ff9e818d721 ntdll.dll!UnknownFunction []

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Fixed
ComponentUE - LD & Art - World Building - HLOD
Affects Versions5.0.1
Target Fix5.0.3
Fix Commit20464245
Main Commit20466199
CreatedMay 11, 2022
ResolvedJun 2, 2022
UpdatedJun 30, 2022