This is a longstanding crash that occurs with low frequency, but has affected over 200 users. One user describes that this occurred while packaging a project, although other users have not provided descriptions to corroborate.
User Descriptions
Source Context
5185 // Reset the cursor override 5186 DragDropEvent.GetOperation()->SetCursorOverride( TOptional<EMouseCursor::Type>() ); 5187 } 5188 else 5189 { 5190 // Only fire mouse leave events for widgets inside the captor path, or whoever if there is no captor path. 5191 if ( MouseCaptorPath.IsValid() == false || MouseCaptorPath.ContainsWidget(SomeWidgetPreviouslyUnderCursor.ToSharedRef()) ) 5192 { 5193 // Note that the event's pointer position is not translated. 5194 ***** SomeWidgetPreviouslyUnderCursor->OnMouseLeave(PointerEvent); 5195 LOG_EVENT(EEventLog::MouseLeave, SomeWidgetPreviouslyUnderCursor); 5196 }
repro steps currently unknown
Access violation - code c0000005 (first/second chance not available) UE4Editor_Slate!FSlateApplication::RoutePointerMoveEvent() [slateapplication.cpp:5195] UE4Editor_Slate!FSlateApplication::ProcessMouseMoveEvent() [slateapplication.cpp:5653] UE4Editor_Slate!FSlateApplication::SynthesizeMouseMove() [slateapplication.cpp:3815] UE4Editor_Slate!FSlateApplication::TickApplication() [slateapplication.cpp:1598] UE4Editor_Slate!FSlateApplication::Tick() [slateapplication.cpp:1481] UE4Editor!FEngineLoop::Tick() [launchengineloop.cpp:2894] UE4Editor!GuardedMain() [launch.cpp:152] UE4Editor!GuardedMainWrapper() [launchwindows.cpp:127] UE4Editor!WinMain() [launchwindows.cpp:208] UE4Editor!__scrt_common_main_seh() [exe_common.inl:253] kernel32!<Unknown> ntdll!<Unknown>
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-46629 in the post.