That question wasn't meant to be posted. After I read your post again it is irrelevant if your bed frame is bending.
Is the slide catching your bed frame? A picture might help with this.
PLEASE do not send questions via Profile comments or Private Message, my inbox fills up too quickly. Post questions in the forum as a new thread so that other users can benefit from the answers. Use Private Messages for sensitive information only (VIN, Contact info or things you do not want the public to see).