In non first frame, press Reset for Preview Camera and then preview camera cannot move any more
STEPS TO REPRODUCE 1. Launch iClone 6 2. Input 20 to "Frame" on Playbar, press "Enter" on keyboard 3. Go to Modify > Transform, click "Reset Zero Out" 4. Click "Pan" on Toolbar, move the preview camera
ACTUAL RESULT The preview camera can't move any more