Error pls help

Hallo!

new pname[MAX_PLAYER_NAME];
GetPlayerName(playerid, pname, sizeof pname);

if(Spieler[playerid][key] != pname)
{
SetVehicleParamsForPlayer(vehicleid, playerid,0, 1);
SendClientMessage(playerid, COLOR_RED, "Dieses Fahrzeug gehört dir nicht!");
}

Bei diesem Code kommt folgender Error:

V1rus.pwn(750) : error 033: array must be indexed (variable "pname")

Pls help
V1rus

//dcmd commands
dcmd(pay,3,cmdtext);
dcmd(freeze,6,cmdtext);
dcmd(unfreeze,8,cmdtext);
dcmd(goto,4,cmdtext);
dcmd(kick, 4,cmdtext);
dcmd(ban,3,cmdtext);
dcmd(makeadmin, 9, cmdtext);
dcmd(deleteadmin, 11, cmdtext);
dcmd(eject, 5, cmdtext);
dcmd(setskin, 7, cmdtext);
//Ende dcmd commands
return SendClientMessage(playerid,0xFF0000FF,sndmsg);
}

public OnPlayerEnterVehicle(playerid, vehicleid, ispassenger)
{
new pname[MAX_PLAYER_NAME];
GetPlayerName(playerid, pname, sizeof pname);
if(vehicleid == car1)
{
SendClientMessage(playerid, COLOR_GREY, "Tippe /buycar um diesen Cheetah\nfür 5000$ zu kaufen.");
}
if(vehicleid == car2)
{
SendClientMessage(playerid, COLOR_GREY, "Tippe /buycar um diesen Infernus\nfür 5000$ zu kaufen.");
}
if(vehicleid == car3)
{
SendClientMessage(playerid, COLOR_GREY, "Tippe /buycar um diesen Voodoo\nfür 5000$ zu kaufen.");
}
if(vehicleid == car4)
{
SendClientMessage(playerid, COLOR_GREY, "Tippe /buycar um diesen Buffalo\nfür 5000$ zu kaufen.");
}
if(vehicleid == car5)
{
SendClientMessage(playerid, COLOR_GREY, "Tippe /buycar um diesen Premier\nfür 5000$ zu kaufen.");
}
if(vehicleid == car6)
{
SendClientMessage(playerid, COLOR_GREY, "Tippe /buycar um diesen Glendale\nfür 5000$ zu kaufen.");
}
if(vehicleid == car7)
{
SendClientMessage(playerid, COLOR_GREY, "Tippe /buycar um diesen Tourismo\nfür 5000$ zu kaufen.");
}
if(Spieler[playerid][key] != pname) // der error
{
SetVehicleParamsForPlayer(vehicleid, playerid,0, 1);
SendClientMessage(playerid, COLOR_RED, "Dieses Fahrzeug gehört dir nicht!");
}
return 1;
}

public OnPlayerExitVehicle(playerid, vehicleid){
return 1;
}

Also ich seh da nix.