If your code had errors then it might bring down a mainframe order processing system or perhaps an airline's reservation desk would be out-of-sorts for an afternoon.
They operate on the same theory that suggests mummifying yourself in bubble wrap and jumping out a third-storey window should be a fun way to pass an afternoon.
She went to general quarters again five more times before the day ended: once during the forenoon watch, thrice during the afternoon watch, and once during the first dog watch.