Unity ERROR BCE0023

Unity ERROR: Assets/Scripts/networking.js(66,61): BCE0023: No appropriate version of 'UnityEngine.GUI.BeginScrollView' for the argument list '(UnityEngine.Rect, String, UnityEngine.Rect)' was found.

My Script:

 @script ExecuteInEditMode()
 
 var gameName : String = "Mattsgamesfortesting";
 
 var refreshing = false;
 var hostData : HostData[];
 
 var create = false;
 var joining = false;
 
 var serverName = "";
 var serverInfo = "";
 var serverPass = "";
 
 var playerName = "";
 
 var clientPass = "";
 
 var scrollPosition = "";
 
 function Start(){
 
     playerName = PlayerPrefs.GetString("Player Name");
 }
 
 function OnGUI(){
 
     if(!Network.isClient && !Network.isServer){
 
         if(GUI.Button(Rect(Screen.width/2 - 50,Screen.height/2,100,20),"Create Game")){
 
             create = true;
         }
 
         if(GUI.Button(Rect(Screen.width/2 - 50,Screen.height/2 + 30,100,20),"Create Game")){
 
             joining = true;
             refreshHostList();
         }
     }
 
 if(create){
 
     if(GUI.Button(Rect(Screen.wigth/2 - 50,Screen.height/3 + 110,100,50),"Create")){
 
         startServer();
     }
 
     GUI.Label(Rect(Screen.width/2 - 110,Screen.height/3,100,20),"Server Name:");
     GUI.Label(Rect(Screen.width/2 + 40,Screen.height/3,100,20),"Password:");
     GUI.Label(Rect(Screen.width/2 - 30,Screen.height/3 + 90,100,20),"Server Info:");
 
     serverName = GUI.TextField (Rect(Screen.width/2 - 120,Screen.height/3 + 30, 100, 20),serverName, 12);
     serverPass = GUI.PasswordField (Rect(Screen.width/2 + 20,Screen.height/3 + 30, 100, 20),serverPass, "*"[0], 12);
     serverInfo = GUI.TextField (Rect(Screen.width/2 - 70,Screen.height/3 + 30, 150, 20),serverInfo, 12);
 
     if(GUI.Button(Rect(Screen.width/1.2,Screen.height/20,100,20),"Back")){
 
         create = false;
     }
 
     if(joining){
 
         if(hostData){
 
             scrollPosition = GUI.BeginScrollView(Rect(Screen.width/4,Screen.height/6,Screen.width/1.5,Screen.height/2),scrollPosition, Rect(0, 0, 300, 1000/*hostData.Length * 30*/));
             GUI.Label(Rect(30,0,100,20),"Game Name");
             GUI.Label(Rect(350,0,100,20),"Server Info");
             GUI.Label(Rect(590,0,100,20),"Player Count");
             GUI.Label(Rect(700,0,100,20),"Password");
 
             for (var i:int = 0; i < hostData.length; i++){
 
                 GUI.Label(Rect(0,30 + i * 30,200,22),hostData[i].gameName);
                 GUI.Label(Rect(160,30 + i * 30,500,22),hostData[i].comment);
                 GUI.Label(Rect(640,30 + i * 30,100,22),hostData[i].connectedPlayers + " / " + hostData[i].playerLimit);
 
                 if(hostData[i].passwordProtected){
 
                     clientPass = GUI.PasswordField(Rect(680, 30 + i * 30, 100, 25), clientPass, "*"[0], 12);
                 }
 
                 if(GUI.Button(Rect(800, 30 + i * 30, 100, 25), "Join")){
                     
                     Network.Connect(hostData[i], clientPass);
                 }
             }
             GUI.EndScrollView();
         }
 
         if(!hostData){
 
             GUI.Label(Rect(Screen.width/2 - 50,Screen.height/3,200,25), "No Games Found");
 
             if(GUI.Button(Rect(Screen.width/2 - 50,Screen.height/3 + 30,105,25),"Refresh")){
                 refreshHostList();
             }
         }
         
         if(GUI.Button(Rect(Screen.width/1.2,Screen.height/20,100,20),"Back")){
 
             joining = false;
         }
     }
 
         if(GUI.Button(Rect(Screen.width/20,Screen.height/20,100,20),"Quit")){
 
             Application.Quit();
         }
 
         GUI.Label(Rect(Screen.width/2 - 35,Screen.height/1.2 - 30,100,20),"Your Name:");
         playerName = GUI.TextField(Rect(Screen.width/2 - 50,Screen.height/1.2,100,20), playerName, 12);
         }
     }
 
     function Update (){
 
         if(refreshing){
 
             if(MasterServer.PollHostList().Length > 0){
 
                 refreshing = false;
                 hostData = MasterServer.PollHostList();
             }
         }
     }
 
     function startServer(){
 
         if(serverPass != ""){
 
             Network.incomingPassword = serverPass;
         }
 
         Network.InitializedServer(15,25001, !Network.HavePublicAddress);
         MasterServer.RegisterHost(gameName,serverInfo);
     }
 
     function OnServerInitialized(){
 
         DontDestroyOnLoad(transform.gameObject);
 
         Application.LoadLevel ("Lobby");
 
         lobbySpawn();
     }
 
     function OnConnectedToServer(){
 
         lobbySpawn();
     }
     
     function lobbySpawn(){
 
         yield WaitForSeconds(0.1);
 
         var made = Network.Instantiate(playerPrefab, transform.position, transform.rotation, 0);
 
         made.GetComponent(playerMove).playerName = playerName;
 
         PlayerPrefs.SetString("Player Name").playerName;
 
         if(Network.isClient){
 
             Destroy(this);
         }
     }
 
     function refreshHostList(){
 
         MasterServer.ClearHostList();
         MasterServer.RequestHostList(gameName);
         refreshing = true;
     }