Editor Crashes when clicking on Transform(Modify) Bone node in Content Examples

Crash Report:
[Link Removed]

Error Message:
Assertion failed: ResultString.Num() == 3 [Link Removed] [Line: 298

Description:
In the Content Examples Project, in the Blueprint, "CurveAnimBlueprint_BoneScale," clicking on "Transform(Modify) Bone" node in the AnimGraph causes Editor to crash.

Open Content Examples with 4.7.2
Locate and Open: CurveAnimBlueprint_BoneScale
In the AnimGraph, click on the Transform(Modify) Bone node.
Editor Crashes:

<unknown module>! UE4Editor_Core!FOutputDeviceWindowsError::Serialize()
<unknown module>! UE4Editor_Core!FOutputDevice::Logf__VA()
<unknown module>! UE4Editor_Core!FDebug::AssertFailed()
<unknown module>! UE4Editor_AnimGraph!UAnimGraphNode_SkeletalControlBase::GetDefaultValue()
<unknown module>! UE4Editor_AnimGraph!UAnimGraphNode_ModifyBone::CopyNodeDataTo()
<unknown module>! UE4Editor_Persona!FAnimationViewportClient::FindSelectedAnimGraphNode()
<unknown module>! UE4Editor_Persona!FAnimationViewportClient::Tick()
<unknown module>! UE4Editor_UnrealEd!UEditorEngine::Tick()
<unknown module>! UE4Editor_UnrealEd!UUnrealEdEngine::Tick()
<unknown module>! UE4Editor!FEngineLoop::Tick()
<unknown module>! UE4Editor!GuardedMain()
<unknown module>! UE4Editor!GuardedMainWrapper()
<unknown module>! UE4Editor!WinMain()
<unknown module>! UE4Editor!__tmainCRTStartup()