[biker122]

Show which lines they are. Also, show me your Login dialog (code)
[pawn]

pawn Код:

CMD:changepass(playerid,params[])
{
    if(PlayerInfo[playerid][LoggedIn] == 0) return SendClientMessage(playerid,red, "ERROR: You must have an account to use this command");
    if(isnull(params)) return SendClientMessage(playerid, red, "USAGE: /changepass [new password]");
    if(strlen(params) < 4) return SendClientMessage(playerid,red,"ERROR: Incorrect password length");
    new string[128];
    dUserSetINT(PlayerName2(playerid)).("password_hash",udb_hash(params) );
    PlayerPlaySound(playerid,1057,0.0,0.0,0.0);
        format(string, sizeof(string),"|- ACCOUNT: You have successfully changed your password to \"%s\" -|",params);
    SendClientMessage(playerid,yellow,string);
    return 1;
}

Noticed some mistakes in the last post, updated.