[CrashReport] UE4Editor_Kismet!FQuatRotationMatrix::FQuatRotationMatrix() [quatrotationtranslationmatrix.h:43]

   41       	FQuatRotationMatrix(const FQuat& Q)
   42 ***** 		: FQuatRotationTranslationMatrix(Q, FVector::ZeroVector)
   43       	{
   44       	}
   45       
   46       	/** Matrix factory. Return an FMatrix so we don't have type conversion issues in expressions. */
   47       	static FMatrix Make(const FQuat& Q)
   48       	{
   49       		return FQuatRotationMatrix(Q);
   50       	}
   51       };

Assertion failed: Q.IsNormalized() [File:d:\build\++ue4\sync\engine\source\runtime\core\public\Math/QuatRotationTranslationMatrix.h] [Line: 59]

UE4Editor_Kismet!FQuatRotationMatrix::FQuatRotationMatrix() [quatrotationtranslationmatrix.h:43]
UE4Editor_Kismet!FSCSEditorViewportClient::GetWidgetCoordSystem() [scseditorviewportclient.cpp:705]
UE4Editor_UnrealEd!FWidget::Render() [unrealwidget.cpp:286]
UE4Editor_UnrealEd!FEditorViewportClient::Draw() [editorviewportclient.cpp:3764]
UE4Editor_Kismet!FSCSEditorViewportClient::Draw() [scseditorviewportclient.cpp:213]
UE4Editor_Renderer!FSceneRenderer::FSceneRenderer() [scenerendering.cpp:1721]
UE4Editor_Renderer!FDeferredShadingSceneRenderer::FDeferredShadingSceneRenderer() [deferredshadingrenderer.cpp:229]
UE4Editor_Renderer!FSceneRenderer::CreateSceneRenderer() [scenerendering.cpp:2448]
UE4Editor_Renderer!FRendererModule::BeginRenderingViewFamily() [scenerendering.cpp:3049]
UE4Editor_UnrealEd!FEditorViewportClient::Draw() [editorviewportclient.cpp:3622]
UE4Editor_Engine!FViewport::Draw() [unrealclient.cpp:1503]
UE4Editor_UnrealEd!UEditorEngine::UpdateSingleViewportClient() [editorengine.cpp:2086]
UE4Editor_UnrealEd!UEditorEngine::Tick() [editorengine.cpp:1847]
UE4Editor_UnrealEd!UUnrealEdEngine::Tick() [unrealedengine.cpp:403]
UE4Editor!FEngineLoop::Tick() [launchengineloop.cpp:3495]
UE4Editor!GuardedMain() [launch.cpp:166]
UE4Editor!GuardedMainWrapper() [launchwindows.cpp:144]
UE4Editor!WinMain() [launchwindows.cpp:223]
UE4Editor!__scrt_common_main_seh() [exe_common.inl:283]
kernel32!BaseThreadInitThunk()
ntdll!RtlUserThreadStart()