The 72-hour rule says you can't exceed 72 hours between logged assignments.

10/3/2014 20:14:56 omstar Required 4
10/6/2014 20:24:10 omstar Required 6

You exceeded 72 hours here (by only 10 minutes!!) Your time zone is irrelevant because the system is calculating the gap between your posts, not the actual time of day that the assignments were posted. We've implemented a one-time override for you (we changed your 10/6/2014 post from 20:24:10 to 20:14:10) so that you're back in the running, but be aware going forward that you can't exceed 72 hours between logged assignments, however you make that happen, because the system is automated.

Cheers,
Michelle