[Nero_3D]

Than just add some messages so you know what is going on

pawn Код:

CMD:buylevel(playerid, params[])
{
    if(GetPlayerMoney(playerid) >= 1000)
    {
        GivePlayerMoney(playerid, -1000);
        SetPlayerScore(playerid, GetPlayerScore(playerid) + 1);
        return SendClientMessage(playerid, -1, "You reached a new level");
    }
    return SendClientMessage(playerid, -1, "You don't have enough money (>= 1000$)");
}