If you add an LOD while the editor is simulating or playing, the Editor Crashes.
Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5660361, 4.23 CL# 6063286
Results:
The editor will crash
Expected:
No Crash
Assertion failed: (Index >= 0) & (Index < ArrayNum) [File:D:\JeremyMain\Engine\Source\Runtime\Core\Public\Containers/Array.h] [Line: 611] Array index out of bounds: -378755904 from an array of size 0 UE4Editor_Core!FWindowsErrorOutputDevice::Serialize() [d:\jeremymain\engine\source\runtime\core\private\windows\windowserroroutputdevice.cpp:79] UE4Editor_Core!FOutputDevice::LogfImpl() [d:\jeremymain\engine\source\runtime\core\private\misc\outputdevice.cpp:71] UE4Editor_Core!FDebug::AssertFailed() [d:\jeremymain\engine\source\runtime\core\private\misc\assertionmacros.cpp:446] UE4Editor_Core!FDebug::CheckVerifyFailedImpl() [d:\jeremymain\engine\source\runtime\core\private\misc\assertionmacros.cpp:424] UE4Editor_Engine!DispatchCheckVerify<void,<lambda_ac839d0d620246989338f24bfe6f099f> >() [d:\jeremymain\engine\source\runtime\core\public\misc\assertionmacros.h:162] UE4Editor_Engine!FParticleEmitterInstance::SetCurrentLODIndex() [d:\jeremymain\engine\source\runtime\engine\private\particles\particleemitterinstances.cpp:1144] UE4Editor_Engine!UParticleSystemComponent::SetLODLevel() [d:\jeremymain\engine\source\runtime\engine\private\particles\particlecomponents.cpp:6954] UE4Editor_Engine!UParticleSystemComponent::ActivateSystem() [d:\jeremymain\engine\source\runtime\engine\private\particles\particlecomponents.cpp:5915] UE4Editor_Cascade!FCascade::OnRestartInLevel() [d:\jeremymain\engine\source\editor\cascade\private\cascade.cpp:3833] UE4Editor_Cascade!FCascade::AddLOD() [d:\jeremymain\engine\source\editor\cascade\private\cascade.cpp:3527] UE4Editor_Cascade!TBaseSPMethodDelegateInstance<0,FCascade,0,void __cdecl(void)>::ExecuteIfSafe() [d:\jeremymain\engine\source\runtime\core\public\delegates\delegateinstancesimpl.h:369] UE4Editor_Slate!FUICommandList::ExecuteAction() [d:\jeremymain\engine\source\runtime\slate\private\framework\commands\uicommandlist.cpp:99] UE4Editor_Slate!SToolBarButtonBlock::OnClicked() [d:\jeremymain\engine\source\runtime\slate\private\framework\multibox\stoolbarbuttonblock.cpp:300] UE4Editor_Slate!TBaseSPMethodDelegateInstance<0,SToolBarButtonBlock,0,FReply __cdecl(void)>::Execute() [d:\jeremymain\engine\source\runtime\core\public\delegates\delegateinstancesimpl.h:293] UE4Editor_Slate!SButton::OnMouseButtonUp() [d:\jeremymain\engine\source\runtime\slate\private\widgets\input\sbutton.cpp:294] UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FToLeafmostPolicy,FPointerEvent,<lambda_6c1f6b862bcfb82ea6dcab28fbcc9463> >() [d:\jeremymain\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:271] UE4Editor_Slate!FSlateApplication::RoutePointerUpEvent() [d:\jeremymain\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:5611] UE4Editor_Slate!FSlateApplication::ProcessMouseButtonUpEvent() [d:\jeremymain\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:6216] UE4Editor_Slate!FSlateApplication::OnMouseUp() [d:\jeremymain\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:6189] UE4Editor_ApplicationCore!FWindowsApplication::ProcessDeferredMessage() [d:\jeremymain\engine\source\runtime\applicationcore\private\windows\windowsapplication.cpp:1843] UE4Editor_ApplicationCore!FWindowsApplication::DeferMessage() [d:\jeremymain\engine\source\runtime\applicationcore\private\windows\windowsapplication.cpp:2295] UE4Editor_ApplicationCore!FWindowsApplication::ProcessMessage() [d:\jeremymain\engine\source\runtime\applicationcore\private\windows\windowsapplication.cpp:1523] UE4Editor_ApplicationCore!FWindowsApplication::AppWndProc() [d:\jeremymain\engine\source\runtime\applicationcore\private\windows\windowsapplication.cpp:773] user32 user32 UE4Editor_ApplicationCore!FWindowsPlatformApplicationMisc::PumpMessages() [d:\jeremymain\engine\source\runtime\applicationcore\private\windows\windowsplatformapplicationmisc.cpp:122] UE4Editor!FEngineLoop::Tick() [d:\jeremymain\engine\source\runtime\launch\private\launchengineloop.cpp:3957] UE4Editor!GuardedMain() [d:\jeremymain\engine\source\runtime\launch\private\launch.cpp:173] UE4Editor!GuardedMainWrapper() [d:\jeremymain\engine\source\runtime\launch\private\windows\launchwindows.cpp:145] UE4Editor!WinMain() [d:\jeremymain\engine\source\runtime\launch\private\windows\launchwindows.cpp:275] UE4Editor!__scrt_common_main_seh() [d:\agent\_work\1\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:288] kernel32 ntdll
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2 |
Component | UE - Niagara |
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Affects Versions | 4.20, 4.21, 4.22, 4.23 |
Created | Apr 29, 2019 |
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Resolved | Aug 27, 2021 |
Updated | Sep 19, 2021 |