Related Clues:

• State of confusion
• Trial companion
• Certain computer message
• Major miscue
• Overthrow, say
• Big mess
• Failing
• 2 + 2 = 5, e.g.
• Typo, for one
• Lulu of a slip-up
• Baseball blunder
• Mishandled fly, e.g.
• Reason to recalculate
• Acronym since 1941
• Infielder's mistake