Related Clues:

• Not set things right
• Leave the straight and narrow, perhaps
• Baseball blunder
• Mishandled fly, e.g.
• Leave the straight and narrow
• Reason to recalculate
• Muff up
• Bobble the bunt
• Infielder's mistake
• Unwanted computer message
• Box-score notation
• Typo, e.g.
• Behave humanly, in a saying
• Good thing not to be in?
• If you're human, you'll do it