[Ajuda] Painel Veiculo

[guigowbr]

Código:

forward ProcessGasolina(playerid, vehicleid);
public ProcessGasolina(playerid, vehicleid)
{
    //new vehicleid = GetPlayerVehicleID(playerid);
    if(!IsPlayerInVehicle(playerid, vehicleid))
    {
        PlayerTextDrawHide(playerid, viewgasolina[playerid]);
return 1;
}
new string[20];
format(string, sizeof(string), "Gasolina: %03d", VehicleData[vehicleid][vFuel]);
TextDrawSetString(viewgasolina[playerid], string);     // ********** WARNIGNG AQUI ********
PlayerTextDrawShow(playerid, viewgasolina[playerid]);
return 1;
}

Sabe me dizer pq o Warning?

TextDrawSetString(viewgasolina[playerid], string);