prestige ktk server

Hi all. Today i open cod4 and i launch ktk server. strangely it start to redownload the mod and, when i join the server, i was at the first level of first prestige. So i close cod4 and i restar it. i rejoin the server and my prestige level change to 8. My prestige before was about 16/18 i don't remember exactly but are a lot of game hours!! i have a picture too with prestige level but it is old. Users in the server can confirm it. please help me