"Unfortunately, a mishap occurred resulting in an unexpected nipple slip ." "It was an unintentional circumstance." "The nipple became visible unexpectedly." "It was an incidental clothing mishap." "The mishap startled all onlookers." "Precautions have been implemented to ensure this won't happen again." "We apologize for the disruption and any distress it may have caused." "Please be assured that we are addressing this issue diligently."