This is a common crash that has occurred since at least 4.15 and affected more than 100 users.
The callstack shares some similarities to [Link Removed], which was not resolved.
User Descriptions
Source Context
160 // make sure the brushes are rebuilt 161 for (FNewBrushBuilder& NewObject : NewBuilders) 162 { 163 NewObject.Builder->Build(NewObject.Brush->GetWorld(), NewObject.Brush); 164 } 165 166 GEditor->RebuildAlteredBSP(); 167 } 168 169 170 171 ***** InDetailLayout->ForceRefreshDetails(); 172 }
repro steps currently unknown
Access violation - code c0000005 (first/second chance not available) UE4Editor_DetailCustomizations!`FBrushDetails::CustomizeDetails'::`2'::Local::OnClassPicked() [brushdetails.cpp:172] UE4Editor_DetailCustomizations!TBaseStaticDelegateInstance<void __cdecl() [delegateinstancesimpl.h:1027] UE4Editor_ClassViewer!SClassViewer::OnClassViewerSelectionChanged() [sclassviewer.cpp:2434] UE4Editor_ClassViewer!SClassViewer::OnFocusReceived() [sclassviewer.cpp:3133] UE4Editor_Slate!FSlateApplication::SetUserFocus() [slateapplication.cpp:2816] UE4Editor_Slate!FSlateApplication::SetUserFocus() [slateapplication.cpp:2678] UE4Editor_Slate!FSlateApplication::RoutePointerDownEvent() [slateapplication.cpp:5132] UE4Editor_Slate!FSlateApplication::ProcessMouseButtonDownEvent() [slateapplication.cpp:5050] UE4Editor_Slate!FSlateApplication::OnMouseDown() [slateapplication.cpp:4968] UE4Editor_Core!FWindowsApplication::ProcessDeferredMessage() [windowsapplication.cpp:1726] UE4Editor_Core!FWindowsApplication::DeferMessage() [windowsapplication.cpp:2161] UE4Editor_Core!FWindowsApplication::ProcessMessage() [windowsapplication.cpp:881] UE4Editor_Core!FWindowsApplication::AppWndProc() [windowsapplication.cpp:721] user32!UserCallWinProcCheckWow() user32!DispatchMessageWorker() UE4Editor_Core!FWindowsPlatformMisc::PumpMessages() [windowsplatformmisc.cpp:1009] UE4Editor!FEngineLoop::Tick() [launchengineloop.cpp:3151] UE4Editor!GuardedMain() [launch.cpp:166] UE4Editor!GuardedMainWrapper() [launchwindows.cpp:134] UE4Editor!WinMain() [launchwindows.cpp:210] UE4Editor!__scrt_common_main_seh() [exe_common.inl:253] kernel32!BaseThreadInitThunk() ntdll!RtlUserThreadStart()
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