Steps to reproduce issue: 1. Open iclone 2. In content manager open Template, choose Actor > Character > CC4 Kevin and open in empty project 3. With selected actor in scene, open Curve Editor window and Animation Layer Window 4. Unlock (twice - i don't undestood why must unlock twice???????) and select Base Motion Layer 5. In Curve Editor choose select any curve (for example CC_Base_Hip\Rotation X) and Select All Keys with popup menu (richt click on curve timeline) 6. Again with popup menu (richt click on curve timeline) click on Cut (or press Ctrl+X) 7. Select another curve (for example CC_Base_Hip\Rotation Z) 8. Select Base Layer in the Animation Layer window 9. Paste curve (or press Ctrl+V) 10. Iclone "Crash"