Description

When unhiding a streaming level several times on the client there can be a crash.

Steps to Reproduce
  1. Download attached project
  2. Open the project provided
  3. Play in editor (with the number of players set to 2)
  4. Let the project run for around 3 minutes

Result: The project will crash
Expected: The project would continue to hide and unhide the streaming level

Callstack

UE4Editor_Engine!ULevel::SortActorList() level.cpp:438
UE4Editor_Engine!UWorld::AddToWorld() world.cpp:2157
UE4Editor_Engine!UWorld::UpdateLevelStreamingInner() world.cpp:2839
UE4Editor_Engine!UWorld::UpdateLevelStreaming() world.cpp:2905
UE4Editor_Engine!UGameViewportClient::Draw() gameviewportclient.cpp:1233
UE4Editor_Engine!FViewport::Draw() unrealclient.cpp:1412
UE4Editor_UnrealEd!UEditorEngine::Tick() editorengine.cpp:1896
UE4Editor_UnrealEd!UUnrealEdEngine::Tick() unrealedengine.cpp:401
UE4Editor!FEngineLoop::Tick() launchengineloop.cpp:3339
UE4Editor!GuardedMain() launch.cpp:166
UE4Editor!GuardedMainWrapper() launchwindows.cpp:144
UE4Editor!WinMain() launchwindows.cpp:223
UE4Editor!__scrt_common_main_seh() exe_common.inl:253
kernel32!<Unknown>
ntdll!<Unknown>

Have Comments or More Details?

Head over to the existingAnswerHub thread and let us know what's up.

29
Login to Vote

Duplicate
ComponentNetworking
Affects Versions4.17.2
Target Fix4.22
CreatedSep 27, 2017
ResolvedAug 16, 2018
UpdatedJan 24, 2019