Originally Posted by TrinityDawn

DFP = duty free period, or day off. I’m guessing you are trying to trade for a trip that is outside the footprint of your current trip. I have never used Quicktrade, but with the TT in DECS, sometimes the HTMD command doesn’t work correctly, and you have to manually delete a DFP (day off placeholder) in order for the trip trade to work correctly. In DECS > HT > enter the info for the two trips, and follow the instructions to delete a DFP manually, HZ, and it should work.