When using an older asset(4.10 or before) with a skeletalMeshComponent in a newer engine version, a reference for the original AnimBP remains after changing the mesh component's Anim Class.

Steps to Reproduce

1. Create a third person project
2. Duplicate ThirdPerson_AnimBP(in Content/Mannequin/Animations)
3. Open Blueprint editor for ThirdPersonCharacter
4. Change the mesh's Anim Class to the AnimBP dupliated in step 2, save and compile
5. Open Reference Viewer for ThirdPersonCharacter
6. The original ThirdPerson_AnimBP is still shown as referenced

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ComponentOLD - Anim
Affects Versions4.134.144.15
Target Fix4.16
Fix Commit3371614
Main Commit3385232
CreatedMar 2, 2017
ResolvedMar 30, 2017
UpdatedApr 27, 2018
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