DS losing Save Files (CV:DoS) HELP?

[xaer0knight]

I Bought Castlevania: Dawn of Sarrows around its launch date. I also have this nice Official Nintendo Carry case (like that matters much). So, certain times i take it out and about, so i take all my carts and put them in a zippered pocket of the Carrying Case. I took out my Nanospray and my Polarium to start playing my CV: DoS games, which i havent played in a while. And noticed that freaking screen, telling me all my data is corrupt.. i was 60% done the first time, and now its done it to me 2 more times in the last 3 wks now.
Are DS that sensitive, i bought Polarium with the system, and i havent lost any of my files on Polarium, SM64DS, Nanospray but all the time with my CV saves... Anyone else having problems? any reccomendations?

[Whiskers the Wonder Cat]

i bought Polarium with the system, and i havent lost any of my files on Polarium, SM64DS, Nanospray but all the time with my CV saves...

It's the game. Go exchange it for a new one if it isn't too late. If not, then the only thing I can come up with is, take it to either Gamestop, or EBgames, sell it there, then use about $10 or so more to get a new copy.