I got stuck in the vibrations state. [HELP!!]

[Mister Astral]

Well, I've had 3 "almost projections" and 1 succesful attempt in my month or so of trying, which is supposedly pretty good, but in my last "almost projection", everytime I tried to roll out during a vibrations,

1. I couldn't, and

2. The vibrations would start over.

It seemed as if the process was starting over each time, yet I could not complete it.

Advice?

[CFTraveler]

First of all, vibrations are not always felt on the exit.  Sometimes they show up minutes before you're ready to get out, so when you feel them you should have a plan B, if the exit tech doesn't work.  Like energy body loosening or more trance work. 
Sometimes they don't show up at all, which is why you should try to look for other cues, like hypnagogic visuals or audio, or a feeling of 'something different'.
If nothing works, get up.  If you physically get up then you were not deep in trance enough to project.  If you float up or find yourself somewhere else then it turns out you were ready.
The technique Central section has all kinds of exit techniques you can try.
http://www.astralpulse.com/forums/welcome_to_permanent_astral_topics/technique_central-t19294.0.html