Magix... Please fix in the next update this mistake repeated, which is in versions VEGAS 12/13/14. In VEGAS 11 or lower is fine! Please other users to verify my mistake with Auto Ripple.
Procedure:
1. Import the 20 1080p MTS videos and more
2. Enable Auto Ripple
3. Play
4. little by little deleted Video samples (CTRL-X)
5. ERROR !!!