Since 10.2 unreal crash upon opening blueprint

Development Programming & Scripting Blueprint
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1

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Access violation - code c0000005 (first/second chance not available)

“”

UE4Editor_Kismet!SBlueprintPaletteItem::Construct() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\kismet\private\sblueprintpalette.cpp:1007]
UE4Editor_Kismet!SBlueprintPaletteItem::Construct() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\kismet\private\sblueprintpalette.cpp:948]
UE4Editor_Kismet!TDecl && ptr64> >::operator<<=() [d:\buildfarm\buildmachine++depot+ue4-releases+4.10\engine\source\runtime\slatecore\public\widgets\declarativesyntaxsupport.h:1330]
UE4Editor_Kismet!SMyBlueprint::OnCreateWidgetForAction() [d:\buildfarm\buildmachine++depot+ue4-releases+4.10\engine\source\editor\kismet\private\smyblueprint.cpp:814]
UE4Editor_Kismet!TMemberFunctionCaller (cdecl SMyBlueprint::)(FCreateWidgetForActionData * __ptr64) _ptr64>::operator()() [d:\buildfarm\buildmachine++depot+ue4-releases+4.10\engine\source\runtime\core\public\delegates\delegateinstanceinterface_variadics.h:161]
UE4Editor_Kismet!TTupleImpl >::ApplyAfter_ExplicitReturnType,TMemberFunctionCaller (__cdecl SMyBlueprint::)(FCreateWidgetForActionData * ptr64) ptr64>,FCreateWidgetForActionData() [d:\buildfarm\buildmachine++depot+ue4-releases+4.10\engine\source\runtime\core\public\delegates\tuple.h:113]
UE4Editor_Kismet!TBaseSPMethodDelegateInstance<0,SMyBlueprint,0,TSharedRef cdecl(FCreateWidgetForActionData * ptr64)>::Execute() [d:\buildfarm\buildmachine++depot+ue4-releases+4.10\engine\source\runtime\core\public\delegates\delegateinstancesimpl_variadics.inl:282]
UE4Editor_GraphEditor!TBaseDelegate,FCreateWidgetForActionData * ptr64 const>::Execute() [d:\buildfarm\buildmachine++depot+ue4-releases+4.10\engine\source\runtime\core\public\delegates\delegatesignatureimpl_variadics.inl:440]
UE4Editor_GraphEditor!SGraphActionMenu::MakeWidget() [d:\buildfarm\buildmachine++depot+ue4-releases+4.10\engine\source\editor\grapheditor\private\sgraphactionmenu.cpp:1004]
UE4Editor_GraphEditor!TMemberFunctionCaller (cdecl SGraphActionMenu::)(TSharedPtr,TSharedRef const & __ptr64,bool) __ptr64>::operator() & _ptr64() [d:\buildfarm\buildmachine++depot+ue4-releases+4.10\engine\source\runtime\core\public\delegates\delegateinstanceinterface_variadics.h:161]
UE4Editor_GraphEditor!TTupleImpl,bool>::ApplyAfter_ExplicitReturnType,TMemberFunctionCaller (__cdecl SGraphActionMenu::)(TSharedPtr,TSharedRef cdecl(TSharedPtr,TSharedRef const & ptr64),bool>::Execute() [d:\buildfarm\buildmachine++depot+ue4-releases+4.10\engine\source\runtime\core\public\delegates\delegateinstancesimpl_variadics.inl:282]
UE4Editor_GraphEditor!TBaseDelegate,TSharedPtr,TSharedRef const & ptr64>::Execute() [d:\buildfarm\buildmachine++depot+ue4-releases+4.10\engine\source\runtime\core\public\delegates\delegatesignatureimpl_variadics.inl:440]
UE4Editor_GraphEditor!STreeView >::GenerateNewWidget() [d:\buildfarm\buildmachine++depot+ue4-releases+4.10\engine\source\runtime\slate\public\widgets\views\streeview.h:497]
UE4Editor_GraphEditor!SListView >::GenerateWidgetForItem() [d:\buildfarm\buildmachine++depot+ue4-releases+4.10\engine\source\runtime\slate\public\widgets\views\slistview.h:885]
UE4Editor_GraphEditor!SListView >::ReGenerateItems() [d:\buildfarm\buildmachine++depot+ue4-releases+4.10\engine\source\runtime\slate\public\widgets\views\slistview.h:795]
UE4Editor_Slate!STableViewBase::Tick() [d:\buildfarm\buildmachine++depot+ue4-releases+4.10\engine\source\runtime\slate\private\widgets\views\stableviewbase.cpp:237]
UE4Editor_GraphEditor!STreeView >::Tick() [d:\buildfarm\buildmachine++depot+ue4-releases+4.10\engine\source\runtime\slate\public\widgets\views\streeview.h:408]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\swidget.cpp:700]
UE4Editor_SlateCore!SOverlay::OnPaint() [d:\buildfarm\buildmachine++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\soverlay.cpp:95]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\swidget.cpp:703]
UE4Editor_SlateCore!SCompoundWidget::OnPaint() [d:\buildfarm\buildmachine++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:25]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\swidget.cpp:703]
UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [d:\buildfarm\buildmachine++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\spanel.cpp:39]
UE4Editor_SlateCore!SPanel::OnPaint() [d:\buildfarm\buildmachine++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\spanel.cpp:19]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\swidget.cpp:703]
UE4Editor_SlateCore!SCompoundWidget::OnPaint() [d:\buildfarm\buildmachine++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:25]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\swidget.cpp:703]
UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\spanel.cpp:39]
UE4Editor_SlateCore!SPanel::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\spanel.cpp:19]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\swidget.cpp:703]
UE4Editor_SlateCore!SCompoundWidget::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:25]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\swidget.cpp:703]
UE4Editor_SlateCore!SCompoundWidget::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:25]
UE4Editor_Slate!SBorder::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slate\private\widgets\layout\sborder.cpp:94]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\swidget.cpp:703]
UE4Editor_SlateCore!SOverlay::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\soverlay.cpp:95]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\swidget.cpp:703]
UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\spanel.cpp:39]
UE4Editor_SlateCore!SPanel::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\spanel.cpp:19]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\swidget.cpp:703]
UE4Editor_SlateCore!SCompoundWidget::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:25]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\swidget.cpp:703]
UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\spanel.cpp:39]
UE4Editor_Slate!SSplitter::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slate\private\widgets\layout\ssplitter.cpp:166]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\swidget.cpp:703]
UE4Editor_SlateCore!SCompoundWidget::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:25]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\swidget.cpp:703]
UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\spanel.cpp:39]
UE4Editor_Slate!SSplitter::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slate\private\widgets\layout\ssplitter.cpp:166]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\swidget.cpp:703]
UE4Editor_SlateCore!SOverlay::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\soverlay.cpp:95]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\swidget.cpp:703]
UE4Editor_SlateCore!SCompoundWidget::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:25]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\swidget.cpp:703]
UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\spanel.cpp:39]
UE4Editor_SlateCore!SPanel::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\spanel.cpp:19]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\swidget.cpp:703]
UE4Editor_SlateCore!SCompoundWidget::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:25]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\swidget.cpp:703]
UE4Editor_SlateCore!SCompoundWidget::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:25]
UE4Editor_Slate!SBorder::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slate\private\widgets\layout\sborder.cpp:94]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\swidget.cpp:703]
UE4Editor_SlateCore!SOverlay::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\soverlay.cpp:95]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\swidget.cpp:703]
UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\spanel.cpp:39]
UE4Editor_SlateCore!SPanel::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\spanel.cpp:19]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\swidget.cpp:703]
UE4Editor_SlateCore!SCompoundWidget::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:25]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\swidget.cpp:703]
UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\spanel.cpp:39]
UE4Editor_Slate!SSplitter::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slate\private\widgets\layout\ssplitter.cpp:166]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\swidget.cpp:703]
UE4Editor_SlateCore!SOverlay::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\soverlay.cpp:95]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\swidget.cpp:703]
UE4Editor_SlateCore!SCompoundWidget::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:25]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\swidget.cpp:703]
UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\spanel.cpp:39]
UE4Editor_SlateCore!SPanel::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\spanel.cpp:19]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\swidget.cpp:703]
UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\spanel.cpp:39]
UE4Editor_SlateCore!SPanel::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\spanel.cpp:19]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\swidget.cpp:703]
UE4Editor_SlateCore!SOverlay::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\soverlay.cpp:95]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\swidget.cpp:703]
UE4Editor_SlateCore!SCompoundWidget::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:25]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\swidget.cpp:703]
UE4Editor_SlateCore!SWindow::PaintWindow() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slatecore\private\widgets\swindow.cpp:1683]
UE4Editor_Slate!FSlateApplication::DrawWindowAndChildren() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:958]
UE4Editor_Slate!FSlateApplication::DrawWindowAndChildren() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1040]
UE4Editor_Slate!FSlateApplication::PrivateDrawWindows() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1182]
UE4Editor_Slate!FSlateApplication::DrawWindows() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:927]
UE4Editor_Slate!FSlateApplication::Tick() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1441]
UE4Editor!FEngineLoop::Tick() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\launch\private\launchengineloop.cpp:2460]
UE4Editor!GuardedMain() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\launch\private\launch.cpp:142]
UE4Editor!GuardedMainWrapper() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\launch\private\windows\launchwindows.cpp:126]
UE4Editor!WinMain() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\launch\private\windows\launchwindows.cpp:200]
UE4Editor!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:264]
kernel32
ntdll

2

Hello DoctorD,

Thank you for providing your call stack, however I have a few more questions for you that will help narrow down what issue it is that you are experiencing.

Quick questions:

  1. Can you reproduce this issue in a clean project?
  2. If so, could you provide a detailed list of steps to reproduce this issue on our end?
  3. Could you provide screen shots of any blueprints that may be involved with this issue?
3

It would seem the error is in my blueprint. In a clean project all bps open normally but the imported bp from previous project still crashes my editor. The question is how can I correct what ever coding error I have when I cant even look at the bp?
p.s. the bluprint crashing is a custom pathfinder for 2d sidecroller game so remaking from scratch is very bothersome indeed.

4

You could try and used a back up that is created automatically. It can be found by default at “C:\Users\YourUserName\Documents\Unreal Projects\YourProjectName\Saved\Backup”. You could navigate to an older version of the blueprint to before the crash started. Another suggestion would be to move the blueprint itself to another project by cutting and pasting it from one content folder to another. This will break all references but may allow you to open it to correct the cause of the crash.

5

Hello DoctorD,

We have not heard back from you in a few days, so we are marking this post as Resolved for tracking purposes. If you are still experiencing the issue you reported, please respond to this message with additional information and we will offer further assistance.

Thank you.