Until there is an update I suggest you just pretend there was never one.
This won't work it'll buy a drone and sell it for orig price. I think you should just forget about it until there is another bug that can be abused.
[BUG] Sell FLAX drone with 2.000.000 credits 06/05/2011 - DarkOrbit - 13 Replies Hi,
Today I will share you a bug from DO.
1. Buy a FLAX Drone
2. Level-up the drone to 6
3. Sell it for 2.000.000
Image for prove: (is on romanian)