Editor Crashes when attempting to copy/paste nodes in Material Editor

UPDATE:
1/8/2015

Crash Reporter: [Link Removed]
Callstack:
<unknown module>! KERNELBASE!RaiseException()
<unknown module>! UE4Editor_Core!FOutputDeviceWindowsError::Serialize()
<unknown module>! UE4Editor_Core!FMsg::Logf__VA()
<unknown module>! UE4Editor_Renderer!FMaterialShader::SetParameters<FRHIVertexShader * __ptr64>()
<unknown module>! UE4Editor_Renderer!TBasePassVertexShaderBaseType<FNoLightMapPolicy>::SetParameters()
<unknown module>! UE4Editor_Renderer!TBasePassDrawingPolicy<FNoLightMapPolicy>::SetSharedState()
<unknown module>! UE4Editor_Renderer!FDrawBasePassDynamicMeshAction::Process<FNoLightMapPolicy>()
<unknown module>! UE4Editor_Renderer!ProcessBasePassMesh<FDrawBasePassDynamicMeshAction>()
<unknown module>! UE4Editor_Renderer!FBasePassOpaqueDrawingPolicyFactory::DrawDynamicMesh()
<unknown module>! UE4Editor_Renderer!TDynamicPrimitiveDrawer<FBasePassOpaqueDrawingPolicyFactory>::DrawMesh()
<unknown module>! UE4Editor_Engine!DrawRichMesh()
<unknown module>! UE4Editor_Engine!FStaticMeshSceneProxy::DrawDynamicElements()
<unknown module>! UE4Editor_Renderer!FDeferredShadingSceneRenderer::RenderBasePassDynamicData()
<unknown module>! UE4Editor_Renderer!FDeferredShadingSceneRenderer::RenderBasePass()
<unknown module>! UE4Editor_Renderer!FDeferredShadingSceneRenderer::Render()
<unknown module>! UE4Editor_Renderer!RenderViewFamily_RenderThread()
<unknown module>! UE4Editor_Renderer!TGraphTask<`FRendererModule::BeginRenderingViewFamily'::`11'::EURCMacro_FDrawSceneCommand>::ExecuteTask()
<unknown module>! UE4Editor_Core!FTaskThread::ProcessTasks()
<unknown module>! UE4Editor_Core!FTaskThread::ProcessTasksUntilQuit()
<unknown module>! UE4Editor_RenderCore!RenderingThreadMain()
<unknown module>! UE4Editor_RenderCore!FRenderingThread::Run()
<unknown module>! UE4Editor_Core!FRunnableThreadWin::Run()
<unknown module>! UE4Editor_Core!FRunnableThreadWin::GuardedRun()
<unknown module>! kernel32!BaseThreadInitThunk()
<unknown module>! ntdll!RtlUserThreadStart()
===================================================
UPDATE:

Reproduced Internally
Date Reproduced - 1/7/2015
Engine Version - 4.6.1-2386410

Editor crashed multiple times, even when copying/pasting a single texture sample node.

===================================================

Editor crashes when attempting to copy/paste nodes in material editor. According to users, this occurs both when copying in same material and when copying between materials using Ctrl+c/Ctrl+v

Callstack:

<unknown module>! KERNELBASE!RaiseException()
<unknown module>! UE4Editor_Core!FOutputDeviceWindowsError::Serialize()
<unknown module>! UE4Editor_Core!FMsg::Logf__VA()
<unknown module>! UE4Editor_Renderer!FMaterialShader::SetParameters<FRHIVertexShader * __ptr64>()
<unknown module>! UE4Editor_Renderer!TBasePassVertexShaderBaseType<FNoLightMapPolicy>::SetParameters()
<unknown module>! UE4Editor_Renderer!TBasePassDrawingPolicy<FNoLightMapPolicy>::SetSharedState()
<unknown module>! UE4Editor_Renderer!FDrawBasePassDynamicMeshAction::Process<FNoLightMapPolicy>()
<unknown module>! UE4Editor_Renderer!ProcessBasePassMesh<FDrawBasePassDynamicMeshAction>()
<unknown module>! UE4Editor_Renderer!FBasePassOpaqueDrawingPolicyFactory::DrawDynamicMesh()
<unknown module>! UE4Editor_Renderer!TDynamicPrimitiveDrawer<FBasePassOpaqueDrawingPolicyFactory>::DrawMesh()
<unknown module>! UE4Editor_Engine!DrawRichMesh()
<unknown module>! UE4Editor_Engine!FStaticMeshSceneProxy::DrawDynamicElements()
<unknown module>! UE4Editor_Renderer!FDeferredShadingSceneRenderer::RenderBasePassDynamicData()
<unknown module>! UE4Editor_Renderer!FDeferredShadingSceneRenderer::RenderBasePass()
<unknown module>! UE4Editor_Renderer!FDeferredShadingSceneRenderer::Render()
<unknown module>! UE4Editor_Renderer!RenderViewFamily_RenderThread()
<unknown module>! UE4Editor_Renderer!TGraphTask<`FRendererModule::BeginRenderingViewFamily'::`11'::EURCMacro_FDrawSceneCommand>::ExecuteTask()
<unknown module>! UE4Editor_Core!FTaskThread::ProcessTasks()
<unknown module>! UE4Editor_Core!FTaskThread::ProcessTasksUntilQuit()
<unknown module>! UE4Editor_RenderCore!RenderingThreadMain()
<unknown module>! UE4Editor_RenderCore!FRenderingThread::Run()
<unknown module>! UE4Editor_Core!FRunnableThreadWin::Run()
<unknown module>! UE4Editor_Core!FRunnableThreadWin::GuardedRun()
<unknown module>! kernel32!BaseThreadInitThunk()
<unknown module>! ntdll!RtlUserThreadStart()

Crash Reporter:
[Link Removed]

[Not reproduced internally]
1. Open Editor (any project)
2. Open any material
3. Select multiple nodes by LMB + drag mouse.
4. Ctrl+C to copy nodes

5. Ctrl+V to paste nodes

"Session Disconnected" UEFN

UMG RichText not appear image when packaged

Why does the REMOVE method of map container remove elements have memory leaks?

What is the difference between Camera and CineCamera?

What is the cause of the packaging error falling back to 'GameUserSettings' in ue5?

Do I need to call Destory method to remove components from Actor when Destory method to remove Actor?

How does TextureRenderTarget2D get TArray<uint8> type data?

How do I set a material as a post-processing material?

In UE5.4, custom variables in the level blueprint cannot be set to default values, and the eyedropper tool is also unavailable, whereas in UE4.27, these features work normally.

How to delete some elements correctly when deleting an array loop?