Steps to Reproduce
  1. Enable the Motion Design plugin
  2. Switch to the Motion Design editor mode
  3. Create a new Niagara System asset in the content browser
  4. Click the "Quick add" button in the level editor toolbar (Cube with plus sign icon)
  5. Type in the search bar

RESULT

The editor crashes 

Callstack

LoginId:ca45bdd24084ba56da76c19ba6b51a04

Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0xffffffffffffffff

UnrealEditor_PlacementMode!SPlacementAssetMenuEntry::Construct() [D:\_Release5.4\Engine\Source\Editor\PlacementMode\Private\SPlacementModeTools.cpp:353]
UnrealEditor_PlacementMode!``FPlacementModeModule::StartupModule'::`21'::<lambda_2>::operator()'::`5'::<lambda_1>::operator()() [D:\_Release5.4\Engine\Source\Editor\PlacementMode\Private\PlacementModeModule.cpp:321]
UnrealEditor_ToolMenus!UToolMenus::GenerateSubMenu() [D:\_Release5.4\Engine\Source\Developer\ToolMenus\Private\ToolMenus.cpp:1267]
UnrealEditor_ToolMenus!UToolMenus::PopulateSubMenu() [D:\_Release5.4\Engine\Source\Developer\ToolMenus\Private\ToolMenus.cpp:1307]
UnrealEditor_ToolMenus!TBaseUObjectMethodDelegateInstance<0,UToolMenus,void __cdecl(FMenuBuilder &),FDefaultDelegateUserPolicy,TWeakObjectPtr<UToolMenu,FWeakObjectPtr>,FName>::Execute() [D:\_Release5.4\Engine\Source\Runtime\Core\Public\Delegates\DelegateInstancesImpl.h:650]
UnrealEditor_Slate!SMenuEntryBlock::MakeNewMenuWidget() [D:\_Release5.4\Engine\Source\Runtime\Slate\Private\Framework\MultiBox\SMenuEntryBlock.cpp:1566]
UnrealEditor_Slate!SMultiBoxWidget::FlattenSubMenusRecursive() [D:\_Release5.4\Engine\Source\Runtime\Slate\Private\Framework\MultiBox\MultiBox.cpp:1716]
UnrealEditor_Slate!SMultiBoxWidget::FilterMultiBoxEntries() [D:\_Release5.4\Engine\Source\Runtime\Slate\Private\Framework\MultiBox\MultiBox.cpp:1837]
UnrealEditor_Slate!TBaseSPMethodDelegateInstance<0,SMultiBoxWidget,1,void __cdecl(FText const &),FDefaultDelegateUserPolicy>::ExecuteIfSafe() [D:\_Release5.4\Engine\Source\Runtime\Core\Public\Delegates\DelegateInstancesImpl.h:298]
UnrealEditor_Slate!SSearchBox::TriggerOnTextChanged() [D:\_Release5.4\Engine\Source\Runtime\Slate\Private\Widgets\Input\SSearchBox.cpp:184]
UnrealEditor_Slate!TBaseSPMethodDelegateInstance<0,SSearchBox,1,enum EActiveTimerReturnType __cdecl(double,float),FDefaultDelegateUserPolicy,FText>::Execute() [D:\_Release5.4\Engine\Source\Runtime\Core\Public\Delegates\DelegateInstancesImpl.h:281]
UnrealEditor_SlateCore!FActiveTimerHandle::ExecuteIfPending() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Application\ActiveTimerHandle.cpp:48]
UnrealEditor_SlateCore!SWidget::ExecuteActiveTimers() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1885]
UnrealEditor_SlateCore!SWidget::Paint() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1469]
UnrealEditor_Slate!SBox::OnPaint() [D:\_Release5.4\Engine\Source\Runtime\Slate\Private\Widgets\Layout\SBox.cpp:305]
UnrealEditor_SlateCore!SWidget::Paint() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1622]
UnrealEditor_SlateCore!SPanel::PaintArrangedChildren() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Widgets\SPanel.cpp:31]
UnrealEditor_SlateCore!SPanel::OnPaint() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Widgets\SPanel.cpp:12]
UnrealEditor_SlateCore!SWidget::Paint() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1622]
UnrealEditor_SlateCore!SCompoundWidget::OnPaint() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Widgets\SCompoundWidget.cpp:46]
UnrealEditor_SlateCore!SWidget::Paint() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1622]
UnrealEditor_SlateCore!SPanel::PaintArrangedChildren() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Widgets\SPanel.cpp:31]
UnrealEditor_SlateCore!SPanel::OnPaint() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Widgets\SPanel.cpp:12]
UnrealEditor_SlateCore!SWidget::Paint() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1622]
UnrealEditor_SlateCore!SPanel::PaintArrangedChildren() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Widgets\SPanel.cpp:31]
UnrealEditor_SlateCore!SPanel::OnPaint() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Widgets\SPanel.cpp:12]
UnrealEditor_SlateCore!SWidget::Paint() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1622]
UnrealEditor_SlateCore!SPanel::PaintArrangedChildren() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Widgets\SPanel.cpp:31]
UnrealEditor_SlateCore!SPanel::OnPaint() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Widgets\SPanel.cpp:12]
UnrealEditor_SlateCore!SWidget::Paint() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1622]
UnrealEditor_SlateCore!SOverlay::OnPaint() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Widgets\SOverlay.cpp:207]
UnrealEditor_SlateCore!SWidget::Paint() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1622]
UnrealEditor_SlateCore!SPanel::PaintArrangedChildren() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Widgets\SPanel.cpp:31]
UnrealEditor_SlateCore!SPanel::OnPaint() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Widgets\SPanel.cpp:12]
UnrealEditor_SlateCore!SWidget::Paint() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1622]
UnrealEditor_SlateCore!SCompoundWidget::OnPaint() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Widgets\SCompoundWidget.cpp:46]
UnrealEditor_Slate!SScrollBox::OnPaint() [D:\_Release5.4\Engine\Source\Runtime\Slate\Private\Widgets\Layout\SScrollBox.cpp:1112]
UnrealEditor_SlateCore!SWidget::Paint() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1622]
UnrealEditor_SlateCore!SPanel::PaintArrangedChildren() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Widgets\SPanel.cpp:31]
UnrealEditor_SlateCore!SPanel::OnPaint() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Widgets\SPanel.cpp:12]
UnrealEditor_SlateCore!SWidget::Paint() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1622]
UnrealEditor_SlateCore!SCompoundWidget::OnPaint() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Widgets\SCompoundWidget.cpp:46]
UnrealEditor_Slate!SBorder::OnPaint() [D:\_Release5.4\Engine\Source\Runtime\Slate\Private\Widgets\Layout\SBorder.cpp:129]
UnrealEditor_SlateCore!SWidget::Paint() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1622]
UnrealEditor_SlateCore!SCompoundWidget::OnPaint() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Widgets\SCompoundWidget.cpp:46]
UnrealEditor_SlateCore!SWidget::Paint() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1622]
UnrealEditor_SlateCore!SCompoundWidget::OnPaint() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Widgets\SCompoundWidget.cpp:46]
UnrealEditor_Slate!SBorder::OnPaint() [D:\_Release5.4\Engine\Source\Runtime\Slate\Private\Widgets\Layout\SBorder.cpp:129]
UnrealEditor_SlateCore!SWidget::Paint() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1622]
UnrealEditor_SlateCore!FSlateWindowElementList::FDeferredPaint::ExecutePaint() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Rendering\DrawElements.cpp:122]
UnrealEditor_SlateCore!FSlateWindowElementList::PaintDeferred() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Rendering\DrawElements.cpp:147]
UnrealEditor_SlateCore!SWindow::PaintWindow() [D:\_Release5.4\Engine\Source\Runtime\SlateCore\Private\Widgets\SWindow.cpp:2126]
UnrealEditor_Slate!FSlateApplication::DrawWindowAndChildren() [D:\_Release5.4\Engine\Source\Runtime\Slate\Private\Framework\Application\SlateApplication.cpp:1159]
UnrealEditor_Slate!FSlateApplication::DrawWindowAndChildren() [D:\_Release5.4\Engine\Source\Runtime\Slate\Private\Framework\Application\SlateApplication.cpp:1211]
UnrealEditor_Slate!FSlateApplication::PrivateDrawWindows() [D:\_Release5.4\Engine\Source\Runtime\Slate\Private\Framework\Application\SlateApplication.cpp:1394]
UnrealEditor_Slate!FSlateApplication::DrawWindows() [D:\_Release5.4\Engine\Source\Runtime\Slate\Private\Framework\Application\SlateApplication.cpp:1103]
UnrealEditor_Slate!FSlateApplication::TickAndDrawWidgets() [D:\_Release5.4\Engine\Source\Runtime\Slate\Private\Framework\Application\SlateApplication.cpp:1698]
UnrealEditor_Slate!FSlateApplication::Tick() [D:\_Release5.4\Engine\Source\Runtime\Slate\Private\Framework\Application\SlateApplication.cpp:1549]
UnrealEditor!FEngineLoop::Tick() [D:\_Release5.4\Engine\Source\Runtime\Launch\Private\LaunchEngineLoop.cpp:6036]
UnrealEditor!GuardedMain() [D:\_Release5.4\Engine\Source\Runtime\Launch\Private\Launch.cpp:180]
UnrealEditor!GuardedMainWrapper() [D:\_Release5.4\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:118]
UnrealEditor!LaunchWindowsStartup() [D:\_Release5.4\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:258]
UnrealEditor!WinMain() [D:\_Release5.4\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:298]
UnrealEditor!__scrt_common_main_seh() [D:\a\_work\1\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:288]
kernel32
ntdll

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Fixed
ComponentUE - Virtual Production - Avalanche
Affects Versions5.4
Target Fix5.4.3
Fix Commit33634549
CreatedMay 2, 2024
ResolvedMay 15, 2024
UpdatedJun 13, 2024
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