SyncList no NetworkIdentity UnityEngine.Networking.SyncList`1:Add(T)

Not sure why it's throwing this error.

SyncList no NetworkIdentity
UnityEngine.Networking.SyncList`1:Add(T)
AssignTeam:SubmitName(String) (at Assets/Scripts/Lobby/AssignTeam.cs:38)
UnityEngine.EventSystems.EventSystem:Update()


CODE:
using UnityEngine;
using System.Collections;
using UnityEngine.UI;
using UnityEngine.Networking;

public class AssignTeam : NetworkBehaviour {

public Text prompter;
public InputField Username;
public Text PlayerList;

private string IPAddress;

[SyncVar]
public SyncListString userinfo = new SyncListString();
[SyncVar]
public SyncListString ipinfo = new SyncListString();

void Start() {
Debug.Log("Initialized");
var input = Username.GetComponent<InputField>();
var se= new InputField.SubmitEvent();
se.AddListener(SubmitName);
input.onEndEdit = se;

IPAddress = Network.player.ipAddress;

}

private void SubmitName(string UName) {
if (ipinfo.Contains(IPAddress)) {
int ID = ipinfo.IndexOf(IPAddress);
userinfo.Insert(ID, UName);
} else {
ipinfo.Add (IPAddress); ///LINE38 WHERE THE ERROR IS....
userinfo.Add (UName);
}



}

void Update () {
if (userinfo != null) {
string plist = "Players:\n";
foreach (string name in userinfo) {
plist += name + "\n";
}
PlayerList.text = plist;
}

}
}

 

Figured it out. Missing the network identity component. doy!

 

I didn't forget and I have the same problem and I didn't figure it out lol