Mr. Rabb Goes to Washington - S4-E8
Continuity mistake: The lone shark's thugs break down Mac's door trying to get to her husband, Chris Ragle, who is hiding in her apartment. Although the door is splintered to pieces, later that night, the same door is back in perfect condition, including the custom paint job that matches the interior decor of the apartment.
Continuity mistake: When Rabb takes off with the F-117 in the Iranian desert we see bushes when he lifts off, however in the next shot, when we see the Nighthawk from the front, the bushes are gone.
Continuity mistake: After Big Bud punches Dobie, younger Bud is visible having run around a corner to help break up the fight. In the next shot, Bud is nowhere to be seen and he runs around the corner again. (00:12:30)
Answer: Officially, the individual has been ordered to attend, failing to could be interpreted as either, Failure to follow orders, dereliction of duty, going AWOL, or even desertion. It would depend on the underlying reason as to why the person doesn't appear.