Steps to Reproduce

Added a new test case in the EngineTest project specifically to repro this (

34931498)

Callstack
=== Critical error: ===

Assertion failed: LevelGuids.ResolvedLevelInstanceGuid.IsValid() [File:E:\Build_E\FN-Main\Engine\Source\Runtime\Engine\Private\WorldPartition\ActorInstanceGuids.cpp] [Line: 63] 

[Callstack] 0x00007ffa8cf6816e UnrealEditor-Engine.dll!FActorInstanceGuid::GetLevelInstanceGuid() [E:\Build_E\FN-Main\Engine\Source\Runtime\Engine\Private\WorldPartition\ActorInstanceGuids.cpp:63]
[Callstack] 0x00007ffa8cf5d2e1 UnrealEditor-Engine.dll!FActorInstanceGuid::GetActorInstanceGuid() [E:\Build_E\FN-Main\Engine\Source\Runtime\Engine\Private\WorldPartition\ActorInstanceGuids.cpp:149]
[Callstack] 0x00007ffa8b3f8277 UnrealEditor-Engine.dll!UStaticMeshComponent::UpdateMapBuildDataId() [E:\Build_E\FN-Main\Engine\Source\Runtime\Engine\Private\Components\StaticMeshComponent.cpp:3476]
[Callstack] 0x00007ffa8b3ca253 UnrealEditor-Engine.dll!UStaticMeshComponent::OnRegister() [E:\Build_E\FN-Main\Engine\Source\Runtime\Engine\Private\Components\StaticMeshComponent.cpp:781]
[Callstack] 0x00007ffa8b88ec2e UnrealEditor-Engine.dll!UInstancedStaticMeshComponent::OnRegister() [E:\Build_E\FN-Main\Engine\Source\Runtime\Engine\Private\InstancedStaticMesh.cpp:4716]
[Callstack] 0x00007ffa8b0d758e UnrealEditor-Engine.dll!UActorComponent::ExecuteRegisterEvents() [E:\Build_E\FN-Main\Engine\Source\Runtime\Engine\Private\Components\ActorComponent.cpp:1801]
[Callstack] 0x00007ffa8b13524c UnrealEditor-Engine.dll!UActorComponent::RegisterComponentWithWorld() [E:\Build_E\FN-Main\Engine\Source\Runtime\Engine\Private\Components\ActorComponent.cpp:1472]
[Callstack] 0x00007ffa8a8e41a3 UnrealEditor-Engine.dll!AActor::IncrementalRegisterComponents() [E:\Build_E\FN-Main\Engine\Source\Runtime\Engine\Private\Actor.cpp:5482]
[Callstack] 0x00007ffa8ba9b189 UnrealEditor-Engine.dll!ULevel::IncrementalRegisterComponents() [E:\Build_E\FN-Main\Engine\Source\Runtime\Engine\Private\Level.cpp:1740]
[Callstack] 0x00007ffa8ba9b9ef UnrealEditor-Engine.dll!ULevel::IncrementalUpdateComponents() [E:\Build_E\FN-Main\Engine\Source\Runtime\Engine\Private\Level.cpp:1659]
[Callstack] 0x00007ffa8ce71bb1 UnrealEditor-Engine.dll!UWorld::AddToWorld() [E:\Build_E\FN-Main\Engine\Source\Runtime\Engine\Private\World.cpp:3334]
[Callstack] 0x00007ffa8bae52e5 UnrealEditor-Engine.dll!ULevelStreaming::UpdateStreamingState() [E:\Build_E\FN-Main\Engine\Source\Runtime\Engine\Private\LevelStreaming.cpp:1001]
[Callstack] 0x00007ffa8cedf2b2 UnrealEditor-Engine.dll!UWorld::UpdateLevelStreaming() [E:\Build_E\FN-Main\Engine\Source\Runtime\Engine\Private\World.cpp:4394]
[Callstack] 0x00007ffa8ce95450 UnrealEditor-Engine.dll!UWorld::FlushLevelStreaming() [E:\Build_E\FN-Main\Engine\Source\Runtime\Engine\Private\World.cpp:4662]
[Callstack] 0x00007ffa8d05fa5f UnrealEditor-Engine.dll!UWorldPartitionLevelStreamingDynamic::LoadInEditor() [E:\Build_E\FN-Main\Engine\Source\Runtime\Engine\Private\WorldPartition\WorldPartitionLevelStreamingDynamic.cpp:109]
[Callstack] 0x00007ffa8d0606bb UnrealEditor-Engine.dll!UWorldPartitionHLODSourceActorsFromCell::LoadSourceActors() [E:\Build_E\FN-Main\Engine\Source\Runtime\Engine\Private\WorldPartition\HLOD\HLODSourceActorsFromCell.cpp:28]
[Callstack] 0x00007ffa69123d33 UnrealEditor-WorldPartitionHLODUtilities.dll!FWorldPartitionHLODUtilities::BuildHLOD() [E:\Build_E\FN-Main\Engine\Plugins\Editor\WorldPartitionHLODUtilities\Source\Private\WorldPartition\HLOD\Utilities\WorldPartitionHLODUtilities.cpp:695]
[Callstack] 0x00007ffa8cf3ee05 UnrealEditor-Engine.dll!AWorldPartitionHLOD::BuildHLOD() [E:\Build_E\FN-Main\Engine\Source\Runtime\Engine\Private\WorldPartition\HLOD\HLODActor.cpp:490]
[Callstack] 0x00007ffabcad461a UnrealEditor-UnrealEd.dll!UWorldPartitionHLODsBuilder::BuildHLODActors() [E:\Build_E\FN-Main\Engine\Source\Editor\UnrealEd\Private\WorldPartition\WorldPartitionHLODsBuilder.cpp:420]
[Callstack] 0x00007ffabcb1ade7 UnrealEditor-UnrealEd.dll!UWorldPartitionHLODsBuilder::RunInternal() [E:\Build_E\FN-Main\Engine\Source\Editor\UnrealEd\Private\WorldPartition\WorldPartitionHLODsBuilder.cpp:220]
[Callstack] 0x00007ffabcb19840 UnrealEditor-UnrealEd.dll!UWorldPartitionBuilder::Run() [E:\Build_E\FN-Main\Engine\Source\Editor\UnrealEd\Private\WorldPartition\WorldPartitionBuilder.cpp:292]
[Callstack] 0x00007ffabcb1a40b UnrealEditor-UnrealEd.dll!UWorldPartitionBuilder::RunBuilder() [E:\Build_E\FN-Main\Engine\Source\Editor\UnrealEd\Private\WorldPartition\WorldPartitionBuilder.cpp:123]
[Callstack] 0x00007ffabb9dd46d UnrealEditor-UnrealEd.dll!UWorldPartitionBuilderCommandlet::RunBuilder() [E:\Build_E\FN-Main\Engine\Source\Editor\UnrealEd\Private\Commandlets\WorldPartitionBuilderCommandlet.cpp:218]
[Callstack] 0x00007ffabb9b6757 UnrealEditor-UnrealEd.dll!UWorldPartitionBuilderCommandlet::Main() [E:\Build_E\FN-Main\Engine\Source\Editor\UnrealEd\Private\Commandlets\WorldPartitionBuilderCommandlet.cpp:128]
[Callstack] 0x00007ff786a1b04a UnrealEditor.exe!FEngineLoop::PreInitPostStartupScreen() [E:\Build_E\FN-Main\Engine\Source\Runtime\Launch\Private\LaunchEngineLoop.cpp:4110]
[Callstack] 0x00007ff786a10e16 UnrealEditor.exe!GuardedMain() [E:\Build_E\FN-Main\Engine\Source\Runtime\Launch\Private\Launch.cpp:144]
[Callstack] 0x00007ff786a110fa UnrealEditor.exe!GuardedMainWrapper() [E:\Build_E\FN-Main\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:118]
[Callstack] 0x00007ff786a14824 UnrealEditor.exe!LaunchWindowsStartup() [E:\Build_E\FN-Main\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:258]
[Callstack] 0x00007ff786a29914 UnrealEditor.exe!WinMain() [E:\Build_E\FN-Main\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:298]
[Callstack] 0x00007ff786a2cbfa UnrealEditor.exe!__scrt_common_main_seh() [D:\a\_work\1\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:288]
[Callstack] 0x00007ffbc6717344 KERNEL32.DLL!UnknownFunction []

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Fixed
Fix Commit34931233
CreatedMay 15, 2024
ResolvedJul 19, 2024
UpdatedNov 1, 2024
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