Nested Class

Hi guys im having a problem with my script right now.I suddenly get this error i know nothing about.Googled it but I still dont get it. Error is Assets/Scripts/Network/Menu.cs(83,40): error CS0426: The nested type Player' does not exist in the type NetworkManager'

Im using this script for my menu and network manager

 using UnityEngine;
 using System.Collections;
 
 public class Menu : MonoBehaviour {
     
     private string CurMenu;
     public string Name;
     public string MatchName;
     public int Players;
     // Use this for initialization
     void Start () {
         CurMenu = "Main";
         Name = PlayerPrefs.GetString("PlayerName");
     }
     
     // Update is called once per frame
     void Update () {
         
     }
     
     void ToMenu(string menu){
         CurMenu = menu;
     }
     void OnGUI(){
         if (CurMenu == "Main")
             Main();
         if (CurMenu == "Host")
             Host();
         if (CurMenu == "Lobby")
             Lobby();
         if (CurMenu == "List")
             MatchList();
     }
     private void Main(){
         //if (GUI.Button(new Rect (0, 0, 128, 32), "Host A Match")) {
         // ToMenu ("Host");
         //}
         if (GUI.Button (new Rect (0, 0, 128, 32), "Host a match")) {
             ToMenu ("Host");
         }
         Name = GUI.TextField (new Rect (130, 0, 128, 32), Name);
         if (GUI.Button(new Rect (260, 0, 128, 32), "Save"))
             PlayerPrefs.SetString ("PlayerName", Name);
         if (GUI.Button(new Rect (0, 33, 128, 32), "Server List")){
             ToMenu ("List");
         }
         
         
     }
     
     private void Host(){
         if(GUI.Button(new Rect(0,0,128,32),"Start")){
             NetworkManager.Instance.StartServer(MatchName,Players);
             ToMenu("Lobby");
         }
         
         if(GUI.Button(new Rect(0,33,128,32),"Back")){
             ToMenu("Main");
         }
         MatchName = GUI.TextField(new Rect(130,0,128,32),MatchName);
         GUI.Label(new Rect(260,0,128,32),"Match name");
         Players = Mathf.Clamp(Players,2,8);
         GUI.Label(new Rect(260,32,128,32),"Amount Of Players");
         if (GUI.Button (new Rect (145, 32, 32, 32),"+"))
             Players ++;
         GUI.Label (new Rect (192, 33, 64, 32), Players.ToString());
         if (GUI.Button (new Rect (215, 33, 32, 32),"-"))
             Players --;
     }
     
     private void Lobby(){
         if (Network.isServer)
     
         if(GUI.Button(new Rect(Screen.width - 128,Screen.height - 64,128,32),"Start")){
             
         }
         
         if(GUI.Button(new Rect(Screen.width - 128,Screen.height - 32,128,32),"Back")){
             ToMenu("Host");
         }
         
         GUILayout.BeginArea (new Rect(0, 0, Screen.width / 2, Screen.height));
         foreach(NetworkManager.Player pl in NetworkManager.Instance.PlayerList)
         {
             GUILayout.Label(pl.PlayerName);
         }                                
         GUILayout.EndArea ();
     }
     private void MatchList()
     {
         if (GUI.Button(new Rect(0,0,128,32), "Refresh"))
         {
             MasterServer.RequestHostList("Tut");
         }
         if (GUI.Button(new Rect(0,33,128,32), "Back"))
         {
             ToMenu ("Main");
         }
         GUILayout.BeginArea(new Rect(Screen.width/ 2, 0, Screen.width / 2, Screen.height), "Server List","box");
         foreach (HostData hd in MasterServer.PollHostList())
         {
             GUILayout.BeginHorizontal();
             GUILayout.Label(hd.gameName);
             if(GUILayout.Button ("Connect"))
             {
                 Network.Connect(hd);
                 ToMenu("Lobby");
             }
             GUILayout.EndHorizontal();
         }
         GUILayout.EndArea();
     }
 }

NetworkManager:

 using UnityEngine;
 using System.Collections;
 using System.Collections.Generic;
 
 public class NetworkManager : MonoBehaviour
 {
     public string PlayerName;
     public string MatchName;
     public static NetworkManager Instance;
     public List<Player>PlayerList = new List<Player>();
     public Player MyPlayer;
     
     // Use this for initialization
     void Start () {
         Instance = this;
         DontDestroyOnLoad(gameObject);
     }
     
     // Update is called once per frame
     void Update () {
         PlayerName = PlayerPrefs.GetString("PlayerName");
         
     }
     
     public void StartServer(string ServerName, int MaxPlayers)
     {
         Network.InitializeSecurity();
         Network.InitializeServer (MaxPlayers, 25565, true);
         MasterServer.RegisterHost("Tut", ServerName, "");
         
         Debug.Log("Started Server");
     }
     void OnPlayerConnected(NetworkPlayer id)
     {
         //networkView.RPC ("Server_PlayerJoined", RPCMode.Server, PlayerName, id);
         foreach (Player pl in PlayerList)
         {
             networkView.RPC("Client_PlayerJoined",id,pl.PlayerName, pl.OnlinePlayer);
         }
     }
     
     void OnServerInitialized()
     {
         Server_PlayerJoined (PlayerName, Network.player);
     }
     
     void OnConnectedToServer()
     {
         networkView.RPC ("Server_PlayerJoined", RPCMode.Server, PlayerName, Network.player);
     }
 
     void OnPlayerDisconnected(NetworkPlayer id)
     {
         networkView.RPC ("Remove", RPCMode.All, id);
     
     }
 
     [RPC]
     public void Server_PlayerJoined(string Username,NetworkPlayer id)
     {
         networkView.RPC("Client_PlayerJoined", RPCMode.All,PlayerName, id);
     }
     
     [RPC]
     public void Client_PlayerJoined(string Username,NetworkPlayer id)
     {
         Player temp = new Player();
         temp.PlayerName = Username;
         temp.OnlinePlayer = id;
         PlayerList.Add(temp);
         if (Network.player == id)
         {
             MyPlayer = temp;
         }
     }
 
     [RPC]
     public void RemovePlayer(NetworkPlayer id)
     {
         Player temp = new Player ();
         foreach(NetworkManager.Player pl in PlayerList)
         {
             if(pl.OnlinePlayer == id)
             {
                 temp = pl;
             }
         }
         if(temp !=null)
         {
             PlayerList.Remove (temp);
         }
     }
 }
     
     [System.Serializable]
     public class Player{
         public string PlayerName;
         public NetworkPlayer OnlinePlayer;
     }
 If anyone know what this error means please help.thanks