From the DALPA forum:

Due to an interruption in bidding this past night, PBS bidding will remain open until 1200 EST.

In the future, if you experience a time critical problem, please follow theses directions:

BID ASSISTANCE

For help, contact the Bid Assist Call Center at (404) 714-4465, (877) 888 - 0432 or (800) DAL-CREW Option 1, Option 4. Assistance will be available in the call center the 8th - 11th 0800 till 2200EST. If you have a bidding emergency (you can't access the PBS system or your bid tab shows NO BID with no buttons to add/submit) after the call center closes on the 11th, call Crew Scheduling and ask them to page the PBS Administrator.