STEPS TO REPRODUCE
1. Launch CrazyTalk 8
2. Apply a random embed actor (e.g. Alberto)
3. Apply a random embed motion clip (e.g. Kissing)
4. Open Timeline, click “Speed”, then extend the motion clip
5. Go to Timeline > Motion Clip > Face, drag the key in Frame 15 to Frame 5

ACTUAL RESULT
The key disappears, or jumps to the previous/next frame

EXPECTED RESULT
The key won't disappear, and can be drag to correct frame