I had the same error after I had to do a factory reset to my unresponsive phone. I was not rooted. I had to update manually to Jelly Bean here: http://www.droid-life.com/2013/03/07/download-official-droid-razr-jelly-bean-update-98-72-16-for-those-on-ice-cream-sandwich-6-16-211/
It offers 2...