Related Clues:

• It may be marked with an X
• Obsession
• Software problem
• It's not right
• "Blue screen of death" cause
• It might be clerical
• Diamond flub
• It may be in judgement
• Booboo
• Editor's catch
• Fault
• A throw into the dugout, e.g.
• Surveillance device
• Debugging discovery
• False step