STEPS TO REPRODUCE
1. Launch CrazyTalk 8
2. Apply a random 3D actor (e.g. Alberto)
3. Navigate to Functional Toolbar > Eye Settings
4. Select "Eyelash"
5. Click "Opacity" channel
6. Select "Eyeball"

ACTUAL RESULT
Opacity texture disappeared

EXPECTED RESULT
It will display a special icon to tell user that no texture for Eyeball Opacity