[Kevin Sevcik]

As usual with this problem, you're not planning properly and bracketing your robot with a try-catch structure. Luckily, the official playing arena provides a robust try-catch structure for all robots on the field. I predict that you'll see many fewer uncaught exceptions once you get your robot onto the field.

EDIT:In the mean time, I would suggest applying a more dynamic approach to catching your exceptions. Look around a bit and you should be able to find a good method for catching exceptions in a wide variety of situations.