[Eminem 2ka9]

This command isn't working, just says "server: unknown command" what's up

pawn Код:

CMD:rank(playerid,params[])
{
     if(GetPlayerScore(playerid) < 0)
     {
        SendClientMessage(playerid,YELLOW,"Private");
     }
     else if(GetPlayerScore(playerid) < 50)
     {
        SendClientMessage(playerid,YELLOW,"Corporal");
     }
     else if(GetPlayerScore(playerid) < 100)
     {
        SendClientMessage(playerid,YELLOW,"Lieutenant");
     }
     else if(GetPlayerScore(playerid) < 200)
     {
        SendClientMessage(playerid,YELLOW,"Captain");
     }
     else if(GetPlayerScore(playerid) < 350)
     {
        SendClientMessage(playerid,YELLOW,"Lieutenant Major");
     }
     else if(GetPlayerScore(playerid) < 500)
     {
        SendClientMessage(playerid, YELLOW,"Colonel");
     }
     else if(GetPlayerScore(playerid) < 800)
     {
        SendClientMessage(playerid, YELLOW,"General");
     }
     else if(GetPlayerScore(playerid) < 1500)
     {
        SendClientMessage(playerid, YELLOW,"Master of War");
     }
     return 1;
}