"Unfortunately, a mishap occurred resulting in an unexpected nipple slip ." "The occurrence happened by mistake." "The nipple became visible unexpectedly." "It was an inadvertent clothing malfunction." "The accident came as a shock to everyone present." "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."