error 029: invalid expression, assumed zero

}else{

dcmd_delac(playerid, params[]) {
if(PlayerInfo[playerid][Level] >= 9) {
new eName[MAX_PLAYER_NAME];
GetPlayerName(playerid, eName, sizeof eName);
}
{
    new file[ 128 ], string[128], playername[MAX_PLAYER_NAME];
    if(sscanf(params,\"u\",playername)) return SendClientMessage(playerid, red,\"[HASZNÁLAT]: /delac [játékosnév]\");
    GetPlayerName(playerid, playername, sizeof(playername));
   format( file, 128, \"/ladmin/users/%s.sav\", params[0] );
    if ( !udb_Exists( params[ 0 ] ) ) return SendClientMessage( playerid, red, \"[Hiba]: Nem létezik ilyen karrakter az adatbázisban!\" );
    if(dini_Exists(file))
    {
    dini_Remove(file);
    }
    PlayerPlaySound( playerid, 1057, 0.0, 0.0, 0.0 );
    format(string,sizeof string,\"{ff0000}[ADMIN]: {00aeff} Törölted az adatbázisból õt: \\\"%s\\\"\", params[0]); SendClientMessage(playerid,COLOR_RED,string);
}else{
SendClientMessage(playerid, COLOR_ORANGE,\"{FF0000}[HIBA]: Nem elég magas az Admin szinted!\");
}
{
}
return 1;}