most likely it did not retract all the way.
Drop it down again, step on the lever, then push the foot all the way in.
Then pull the main body out and swing it into place.
it should click all the way in horizontally.
Sorry if I have been too elementary, but that's always the best place to start.
look here for a review...
http://www.scamptrailers.com/ask-sca...s-manuals.html