Hello,
I have come across a reproducable crash when using Substance plugin and HLOD.
Here are the steps to reproduce:
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create a new project.
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enable Substance Plugin.
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enable HLOD for any open level, then generate clusters and proxy meshes.
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import any .sbar file and add the material to any mesh.
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try to generate proxy meshes again.
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the editor will crash with this report:
LoginId:7c6f906448c828dfff0cd6a9884eeca8 EpicAccountId:876445409a58481d8def64cb1de3ef29
Access violation - code c0000005 (first/second chance not available)
UE4Editor_Engine!UHLODProxy::GenerateKeyForActor() [e:\programfiles\epic games\unrealengine\engine\source\runtime\engine\private\hlodproxy.cpp:335] UE4Editor_HierarchicalLODUtilities!FHierarchicalLODUtilities::BuildStaticMeshForLODActor() [e:\programfiles\epic games\unrealengine\engine\source\developer\hierarchicallodutilities\private\hierarchicallodutilities.cpp:354] UE4Editor_HierarchicalLODUtilities!FHierarchicalLODUtilities::BuildStaticMeshForLODActor() [e:\programfiles\epic games\unrealengine\engine\source\developer\hierarchicallodutilities\private\hierarchicallodutilities.cpp:213] UE4Editor_UnrealEd!FHierarchicalLODBuilder::BuildMeshesForLODActors() [e:\programfiles\epic games\unrealengine\engine\source\editor\unrealed\private\hierarchicallod.cpp:675] UE4Editor_HierarchicalLODOutliner!<lambda_54dc5f3e535b305158d197f37ea80386>::operator()() [e:\programfiles\epic games\unrealengine\engine\source\editor\hierarchicallodoutliner\private\hlodoutliner.cpp:797] UE4Editor_HierarchicalLODOutliner!HLODOutliner::SHLODOutliner::HandleBuildLODActors() [e:\programfiles\epic games\unrealengine\engine\source\editor\hierarchicallodoutliner\private\hlodoutliner.cpp:818] UE4Editor_HierarchicalLODOutliner!TBaseSPMethodDelegateInstance<0,HLODOutliner::SHLODOutliner,0,FReply
__cdecl(void)>::Execute() [e:\programfiles\epic games\unrealengine\engine\source\runtime\core\public\delegates\delegateinstancesimpl.h:269] UE4Editor_Slate!SButton::OnMouseButtonUp() [e:\programfiles\epic games\unrealengine\engine\source\runtime\slate\private\widgets\input\sbutton.cpp:290] UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FToLeafmostPolicy,FPointerEvent,<lambda_1002768c627006711ef2f351a87ec0e7>() [e:\programfiles\epic games\unrealengine\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:268] UE4Editor_Slate!FSlateApplication::RoutePointerUpEvent() [e:\programfiles\epic games\unrealengine\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:5472] UE4Editor_Slate!FSlateApplication::ProcessMouseButtonUpEvent() [e:\programfiles\epic games\unrealengine\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:5979] UE4Editor_Slate!FSlateApplication::OnMouseUp() [e:\programfiles\epic games\unrealengine\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:5959] UE4Editor_ApplicationCore!FWindowsApplication::ProcessDeferredMessage() [e:\programfiles\epic games\unrealengine\engine\source\runtime\applicationcore\private\windows\windowsapplication.cpp:1736] UE4Editor_ApplicationCore!FWindowsApplication::DeferMessage() [e:\programfiles\epic games\unrealengine\engine\source\runtime\applicationcore\private\windows\windowsapplication.cpp:2182] UE4Editor_ApplicationCore!FWindowsApplication::ProcessMessage() [e:\programfiles\epic games\unrealengine\engine\source\runtime\applicationcore\private\windows\windowsapplication.cpp:1416] UE4Editor_ApplicationCore!FWindowsApplication::AppWndProc() [e:\programfiles\epic games\unrealengine\engine\source\runtime\applicationcore\private\windows\windowsapplication.cpp:732] user32 user32 UE4Editor_ApplicationCore!FWindowsPlatformApplicationMisc::PumpMessages() [e:\programfiles\epic games\unrealengine\engine\source\runtime\applicationcore\private\windows\windowsplatformapplicationmisc.cpp:129] UE4Editor!FEngineLoop::Tick() [e:\programfiles\epic games\unrealengine\engine\source\runtime\launch\private\launchengineloop.cpp:3417] UE4Editor!GuardedMain() [e:\programfiles\epic games\unrealengine\engine\source\runtime\launch\private\launch.cpp:166] UE4Editor!GuardedMainWrapper() [e:\programfiles\epic games\unrealengine\engine\source\runtime\launch\private\windows\launchwindows.cpp:144] UE4Editor!WinMain() [e:\programfiles\epic games\unrealengine\engine\source\runtime\launch\private\windows\launchwindows.cpp:223] UE4Editor!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:283] kernel32 ntdll
This also occurs on UE 4.20.2
Thank you, I hope this helps.
Lolon