Wall/Actor/Collide

I used the thumbstick style 1 demo and i add a wall. i put a collide behavior on the actor and set it to the wall. I set the wall so it can't move. When the actor hits the wall, and i let go of the thumbstick, the actor starts to spin in circles and i have to restart the game. Any idea on how to fix this?
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Cheers, Weswog