Error message:
Assertion failed: ParentIndex != INDEX_NONE [Link Removed] [Line: 512]
Source Context:
499 } 500 501 return Menu; 502 } 503 504 void FMenuStack::PostPush(TSharedPtr<IMenu> InParentMenu, TSharedRef<FMenuBase> InMenu, EShouldThrottle ShouldThrottle ) 505 { 506 // Determine at which index we insert this new menu in the stack 507 int32 InsertIndex = 0; 508 if (InParentMenu.IsValid()) 509 { 510 int32 ParentIndex = Stack.IndexOfByKey(InParentMenu); 511 check(ParentIndex != INDEX_NONE); 512 513 ***** InsertIndex = ParentIndex + 1; 514 } 515 516 // Insert before dismissing others to stop the stack accidentally emptying briefly mid-push and reseting some state 517 Stack.Insert(InMenu, InsertIndex); 518 CachedContentMap.Add(InMenu->GetContent(), InMenu); 519 520 // Dismiss menus after the insert point 521 if (Stack.Num() > InsertIndex + 1) 522 { 523 DismissFrom(Stack[InsertIndex + 1]); 524 525 // tidy the stack data now (it will happen via callbacks from the dismissed menus but that might be delayed) 526 for (int32 StackIndex = Stack.Num() - 1; StackIndex > InsertIndex; --StackIndex) 527 { 528 CachedContentMap.Remove(Stack[StackIndex]->GetContent());
Most recent user affected CL: 2927625
Logs:
[Link Removed]
[Link Removed]
*Issue call stack shares some similarities with * [Link Removed]
1. Open the editor
2. Create a new blueprint
3. On any node, right click and begin entering a comment into the comment box at the bottom of the list
4. As you are typing, hover the mouse over the Alignment option
Result: Editor Crashes
Expected: No crash would occur
UE4Editor_Slate!FMenuStack::PostPush() [menustack.cpp:514] UE4Editor_Slate!FMenuStack::PushInternal() [menustack.cpp:303] UE4Editor_Slate!FMenuStack::Push() [menustack.cpp:219] UE4Editor_Slate!FSlateApplication::PushMenu() [slateapplication.cpp:1953] UE4Editor_Slate!SMenuAnchor::SetIsOpen() [smenuanchor.cpp:367] UE4Editor_Slate!SMenuEntryBlock::UpdateSubMenuState() [smenuentryblock.cpp:1313] UE4Editor_Slate!TBaseSPMethodDelegateInstance<0,SMenuEntryBlock,0,enum EActiveTimerReturnType __cdecl() [delegateinstancesimpl_variadics.inl:321] UE4Editor_SlateCore!FActiveTimerHandle::ExecuteIfPending() [activetimerhandle.cpp:48] UE4Editor_SlateCore!SWidget::ExecuteActiveTimers() [swidget.cpp:725] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:662] UE4Editor_SlateCore!SOverlay::OnPaint() [soverlay.cpp:100] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:669] UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [spanel.cpp:44] UE4Editor_SlateCore!SPanel::OnPaint() [spanel.cpp:19] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:669] UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [spanel.cpp:44] UE4Editor_SlateCore!SPanel::OnPaint() [spanel.cpp:19] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:669] UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [spanel.cpp:44] UE4Editor_SlateCore!SPanel::OnPaint() [spanel.cpp:19] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:669] UE4Editor_SlateCore!SOverlay::OnPaint() [soverlay.cpp:100] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:669] UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [spanel.cpp:44] UE4Editor_SlateCore!SPanel::OnPaint() [spanel.cpp:19] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:669] UE4Editor_SlateCore!SCompoundWidget::OnPaint() [scompoundwidget.cpp:25] UE4Editor_Slate!SScrollBox::OnPaint() [sscrollbox.cpp:917] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:669] UE4Editor_SlateCore!SCompoundWidget::OnPaint() [scompoundwidget.cpp:25] UE4Editor_Slate!SBorder::OnPaint() [sborder.cpp:90] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:669] UE4Editor_SlateCore!SCompoundWidget::OnPaint() [scompoundwidget.cpp:25] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:669] UE4Editor_SlateCore!FSlateWindowElementList::FDeferredPaint::ExecutePaint() [drawelements.cpp:548] UE4Editor_SlateCore!FSlateWindowElementList::PaintDeferred() [drawelements.cpp:564] UE4Editor_Slate!FSlateApplication::DrawWindowAndChildren() [slateapplication.cpp:996] UE4Editor_Slate!FSlateApplication::DrawWindowAndChildren() [slateapplication.cpp:1079] UE4Editor_Slate!FSlateApplication::DrawWindowAndChildren() [slateapplication.cpp:1079] UE4Editor_Slate!FSlateApplication::PrivateDrawWindows() [slateapplication.cpp:1225] UE4Editor_Slate!FSlateApplication::DrawWindows() [slateapplication.cpp:957] UE4Editor_Slate!FSlateApplication::TickApplication() [slateapplication.cpp:1543] UE4Editor_Slate!FSlateApplication::Tick() [slateapplication.cpp:1335] UE4Editor!FEngineLoop::Tick() [launchengineloop.cpp:2678] UE4Editor!GuardedMain() [launch.cpp:142] UE4Editor!GuardedMainWrapper() [launchwindows.cpp:126] UE4Editor!WinMain() [launchwindows.cpp:200] UE4Editor!__scrt_common_main_seh() [exe_common.inl:264] kernel32!BaseThreadInitThunk() ntdll!RtlUserThreadStart()
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