Adding key frames to an animation will cause the editor to crash

When the use adds key frames to a new animation sequence and then compiles and saves the editor will crash.

1. Open First person project
2. Create a new Animation Sequence
3. Choose the First person skeleton
4. Open the new animation sequence
5. Click record
6. Name the animation "CrashAnim"
7. Select Content
8. Click ok
9. Select the root of the Skeleton
10. Move the root around
11. Add key frames
12. Stop recording
13. Compile and Save