Maple Story: "Rolled back"

D: A lot of people have been rolled back after yesterdays server check in Maple Story. In my case I lost 3 levels, I was a 155 bihop, now I'm 153, and I lost several million mesos, the currency in the game. This sucks, but at least they refunded some of the Nexon Cash I had spent. I'd rather lost all meso, than the levels plus nexon cash though.