Editor crashes when copying a copied instance of a blueprint in the level.

Editor is crashing when copying a copied instance of a blueprint in the level.

We were unable to reproduce this issue adding a component to the blueprint through the blueprint editor. This issue only occurs when adding components via the IWCE panel.

1. Open QA-Game
2. Create a new blueprint class based on actor and add it to the level
3. Using the IWCE panel, add a cube component
4. Select NewBlueprint(self)
5. Alt+Drag (Or CTRL+W) to make a copy of the instance of NewBlueprint in the level
6. Alt+Drag (Or CTRL+W) to make a copy of the copied instance you just created

Result Editor Crashes
Expected There are 3 instances of the blueprint.

MachineId:B6B5DD874BCCAD7B877A0DA05E2A1739
EpicAccountId:a84714e73e8747ed9774d7903498ffb3

Assertion failed: Actor->GetRootComponent() [Link Removed] [Line: 271]

UE4Editor_Core!FDebug::AssertFailed() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\core\private\misc\outputdevice.cpp:421]
UE4Editor_Engine!FComponentInstanceDataCache::ApplyToActor() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\engine\private\componentinstancedatacache.cpp:271]
UE4Editor_Engine!AActor::ExecuteConstruction() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\engine\private\actorconstruction.cpp:679]
UE4Editor_Engine!AActor::RerunConstructionScripts() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\engine\private\actorconstruction.cpp:469]
UE4Editor_Engine!AActor::PostEditChangeProperty() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\engine\private\actoreditor.cpp:114]
UE4Editor_CoreUObject!UObject::PostEditChange() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\coreuobject\private\uobject\obj.cpp:285]
UE4Editor_UnrealEd!ImportObjectProperties() [d:\build\++ue4+release-4.13+compile\sync\engine\source\editor\unrealed\private\editorobject.cpp:731]
UE4Editor_UnrealEd!ImportObjectProperties() [d:\build\++ue4+release-4.13+compile\sync\engine\source\editor\unrealed\private\editorobject.cpp:806]
UE4Editor_UnrealEd!ULevelFactory::FactoryCreateText() [d:\build\++ue4+release-4.13+compile\sync\engine\source\editor\unrealed\private\factories\editorfactories.cpp:845]
UE4Editor_UnrealEd!UUnrealEdEngine::edactPasteSelected() [d:\build\++ue4+release-4.13+compile\sync\engine\source\editor\unrealed\private\editoractor.cpp:316]
UE4Editor_UnrealEd!DuplicateSelectedActors::FDuplicateJob::DuplicateActorsToLevel() [d:\build\++ue4+release-4.13+compile\sync\engine\source\editor\unrealed\private\editoractor.cpp:412]
UE4Editor_UnrealEd!UUnrealEdEngine::edactDuplicateSelected() [d:\build\++ue4+release-4.13+compile\sync\engine\source\editor\unrealed\private\editoractor.cpp:526]
UE4Editor_UnrealEd!FLevelEditorViewportClient::InputWidgetDelta() [d:\build\++ue4+release-4.13+compile\sync\engine\source\editor\unrealed\private\leveleditorviewport.cpp:2285]
UE4Editor_UnrealEd!FEditorViewportClient::UpdateMouseDelta() [d:\build\++ue4+release-4.13+compile\sync\engine\source\editor\unrealed\private\editorviewportclient.cpp:1953]
UE4Editor_UnrealEd!FEditorViewportClient::Tick() [d:\build\++ue4+release-4.13+compile\sync\engine\source\editor\unrealed\private\editorviewportclient.cpp:1076]
UE4Editor_UnrealEd!FLevelEditorViewportClient::Tick() [d:\build\++ue4+release-4.13+compile\sync\engine\source\editor\unrealed\private\leveleditorviewport.cpp:2016]
UE4Editor_UnrealEd!UEditorEngine::Tick() [d:\build\++ue4+release-4.13+compile\sync\engine\source\editor\unrealed\private\editorengine.cpp:1476]
UE4Editor_UnrealEd!UUnrealEdEngine::Tick() [d:\build\++ue4+release-4.13+compile\sync\engine\source\editor\unrealed\private\unrealedengine.cpp:371]
UE4Editor!FEngineLoop::Tick() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\launch\private\launchengineloop.cpp:2834]
UE4Editor!GuardedMain() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\launch\private\launch.cpp:156]
UE4Editor!GuardedMainWrapper() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:126]
UE4Editor!WinMain() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:202]
UE4Editor!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:264]
kernel32
ntdll

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