Possible Clues:

• Error on set of web pages, we’re told
• Management give short broadcast, making error
• Careless mistake
• Failure to notice a number of balls put on view
• Quote too much? Sounds like a minor mistake
• Exhale in public revealing boob
• Lament appearing in public, a mistake
• Express sadness in public for error
• Mistake in superintendence
• Failure to notice the supervisor's remit concerning great deal