Kanye West Had a Floating Stage Fright

Kanye West might want to rethink his floating stage idea ... a fan tried climbing it to get a bird's-eye view.

Kanye was performing in Atlanta Monday for his Saint Pablo Tour, when an eager fan got boosted up high enough to reach the bottom of the stage ... which he then climbed.

Check out the vid. The guy doesn't get very far ... at Kanye's insistence.