error 021: symbol already defined: "GetPlayerName"

	//Player Join message
	GetPlayerName(playerid,pname,sizeof(pname));
	format(string,sizeof(string),"%s(%d) Has joined %s v%s!",pname,playerid,svname,sversion);
	SendClientMessageToAll(COLOR_DEADCONNECT,string);
	format(string,sizeof(string),"6%s(%d) Has joined %s v%s!",pname,playerid,svname,sversion);
	IRC_Say(gGroupID,IRC_CHANNEL,string);
	SetPlayerColor(playerid,COLOR_DEADCONNECT);

error 010: invalid function or declaration
error 010: invalid function or declaration
error 010: invalid function or declaration


JailTimer[playerid] = TextDrawCreate(505.000000, 411.000000, "Jailtime: 30");

MessageTD[playerid] = TextDrawCreate(241.000000, 410.000000, "TICKET RECIEVED");

LocationTD[playerid] = TextDrawCreate(43.000000, 327.000000, "Downtown");


error 021: symbol already defined: "format"

format(string,sizeof(string),"Version: %s",sversion);


error 021: symbol already defined: "SetPlayerMapIcon"

SetPlayerMapIcon(playerid,2,-2099.6882,899.1699,76.7109,24,0); //CaltonHeightsDH


error 017: undefined symbol "PlayerName"

if(PLAYERLIST_authed[playerid] == 1)
	{
		dUserSetINT(PlayerName(playerid)).("Bankcash",BankCash[playerid]);
		dUserSetINT(PlayerName(playerid)).("Cash",GetPlayerMoney(playerid));
		dUserSetINT(PlayerName(playerid)).("Score",GetPlayerScore(playerid));
	 	dUserSetINT(PlayerName(playerid)).("Adminlevel",AdminLevel[playerid]);
		dUserSetINT(PlayerName(playerid)).("Army",CanUseArmy[playerid]);
		dUserSetINT(PlayerName(playerid)).("SWAT",CanUseSWAT[playerid]);
		dUserSetINT(PlayerName(playerid)).("RegularPlayer",IsRegularPlayer[playerid]);
		dUserSetINT(PlayerName(playerid)).("DrugHouseOwner",DrugHouseOwner[playerid]);
		dUserSetINT(PlayerName(playerid)).("OttoOwner",OttoOwner[playerid]);
		dUserSetINT(PlayerName(playerid)).("TSkill",TerroristSkill[playerid]);
		dUserSetINT(PlayerName(playerid)).("RobSkill",RobSkill[playerid]);
		dUserSetINT(PlayerName(playerid)).("HasPackC4",HasPackC4[playerid]);
		dUserSetINT(PlayerName(playerid)).("HasPackRope",HasPackRope[playerid]);
		dUserSetINT(PlayerName(playerid)).("HasPackMoney",HasPackMoney[playerid]);
		dUserSetINT(PlayerName(playerid)).("SavedWantedLevel",SavedWantedLevel[playerid]);
		dUserSetINT(PlayerName(playerid)).("SavedJailTime",SavedJailTime[playerid]);
	}