This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below.
Error message:
Assertion failed: GEditor->GetSelectedActorCount() == 1 [Link Removed] [Line: 1601]
Source Context:
1587 if (CanProcess == EEditAction::Process)
1588 {
1589 return true;
1590 }
1591 else if (CanProcess == EEditAction::Halt)
1592 {
1593 return false;
1594 }
1595 }
1596
1597 bool bCanPaste = false;
1598 if (GEditor->GetSelectedComponentCount() > 0)
1599 {
1600 check(GEditor->GetSelectedActorCount() == 1);
1601 ***** auto SelectedActor = CastChecked<AActor>(*GEditor->GetSelectedActorIterator());
1602 bCanPaste = FComponentEditorUtils::CanPasteComponents(SelectedActor->GetRootComponent());
1603 }
1604 else
1605 {
1606 bCanPaste = GUnrealEd->CanPasteSelectedActorsFromClipboard(GetWorld());
1607 }
1608
1609 return bCanPaste;
1610 }
1611
1612 bool FLevelEditorActionCallbacks::PasteHere_CanExecute()
1613 {
1614 return Paste_CanExecute(); // For now, just do the same check as Paste
1615 }
1616
Most recent user affected CL: 3249277
Logs:
[Link Removed]
[Link Removed]
[Link Removed]
[Link Removed]
Issue call stack shares some similarities with [Link Removed]
CrashReporter User Descriptions:
1) Open QAGameEditor
2) in the default map select the floor
3) in the actor component tree select the StaticMeshComponent
4) in the actor component tree select the Floor actor entry
6) hit ctrl + z
7) double click the floor mesh in the viewport
8) right click the floor mesh in the viewport
you should then hit the check conditions
UE4Editor_LevelEditor!FLevelEditorActionCallbacks::Paste_CanExecute() [leveleditoractions.cpp:1602] UE4Editor_Slate!FUICommandList::CanExecuteAction() [uicommandlist.cpp:106] UE4Editor_Slate!SMenuEntryBlock::IsEnabled() [smenuentryblock.cpp:1090] UE4Editor_Slate!TBaseSPMethodDelegateInstance<1,SMenuEntryBlock,0,bool __cdecl() [delegateinstancesimpl.h:318] UE4Editor_SlateCore!TAttribute<bool>::Get() [attribute.h:135] UE4Editor_SlateCore!SCompoundWidget::OnPaint() [scompoundwidget.cpp:25] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:692] UE4Editor_SlateCore!SOverlay::OnPaint() [soverlay.cpp:100] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:692] UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [spanel.cpp:44] UE4Editor_SlateCore!SPanel::OnPaint() [spanel.cpp:19] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:692] UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [spanel.cpp:44] UE4Editor_SlateCore!SPanel::OnPaint() [spanel.cpp:19] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:692] UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [spanel.cpp:44] UE4Editor_SlateCore!SPanel::OnPaint() [spanel.cpp:19] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:692] UE4Editor_SlateCore!SOverlay::OnPaint() [soverlay.cpp:100] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:692] UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [spanel.cpp:44] UE4Editor_SlateCore!SPanel::OnPaint() [spanel.cpp:19] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:692] UE4Editor_SlateCore!SCompoundWidget::OnPaint() [scompoundwidget.cpp:25] UE4Editor_Slate!SScrollBox::OnPaint() [sscrollbox.cpp:953] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:692] UE4Editor_SlateCore!SCompoundWidget::OnPaint() [scompoundwidget.cpp:25] UE4Editor_Slate!SBorder::OnPaint() [sborder.cpp:86] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:692] UE4Editor_SlateCore!SCompoundWidget::OnPaint() [scompoundwidget.cpp:25] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:692] UE4Editor_SlateCore!FSlateWindowElementList::FDeferredPaint::ExecutePaint() [drawelements.cpp:579] UE4Editor_SlateCore!FSlateWindowElementList::PaintDeferred() [drawelements.cpp:604] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:719] UE4Editor_Slate!FSlateApplication::DrawWindowAndChildren() [slateapplication.cpp:1127] UE4Editor_Slate!FSlateApplication::DrawWindowAndChildren() [slateapplication.cpp:1216] UE4Editor_Slate!FSlateApplication::PrivateDrawWindows() [slateapplication.cpp:1367] UE4Editor_Slate!FSlateApplication::DrawWindows() [slateapplication.cpp:1084] UE4Editor_Slate!FSlateApplication::TickApplication() [slateapplication.cpp:1689] UE4Editor_Slate!FSlateApplication::Tick() [slateapplication.cpp:1481] UE4Editor!FEngineLoop::Tick() [launchengineloop.cpp:2894] UE4Editor!GuardedMain() [launch.cpp:152] UE4Editor!GuardedMainWrapper() [launchwindows.cpp:126] UE4Editor!WinMain() [launchwindows.cpp:202] UE4Editor!__scrt_common_main_seh() [exe_common.inl:264] kernel32!BaseThreadInitThunk() ntdll!RtlUserThreadStart()
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-40753 in the post.