Unitynetworking problem.

First off here is my error: error CS0117: ‘UnityEngine.Networking.NetworkServer’ does not contain a definition for 'SendToClient’

Here is my code:

using UnityEngine;
using System.Collections;
using CodeStage.AntiCheat.ObscuredTypes;
using UnityEngine.Networking;

public class log : MonoBehaviour {
	string loginURL = "http://127.0.0.1/page/log.php";  // WEB SERVER
	string problem = "";
	private ObscuredString logMessage;
	private ObscuredString userName;
	private ObscuredString password;

	// Use this for initialization
	void Start () {
	
	}
	
	// Update is called once per frame
	void Update () {
		if(Network.peerType == NetworkPeerType.Server) {

			if (logMessage == "LoginRequest") {
				StartCoroutine(handleLogin(userName, password));
			}
		}
	}

	IEnumerator handleLogin(ObscuredString userName, ObscuredString password) {
		Debug.Log ("Login Request receved" + logMessage);
		if (logMessage == "userName") {
			logMessage = userName;
			Debug.Log ("Username receved" + logMessage + userName);
		}
		if (logMessage == "password") {
			logMessage = password;
			Debug.Log ("Password receved" + logMessage + password);
		}
		if (userName && password != null) {
			string login_URL = loginURL + "?mynick=" + userName + "&password=" + password;
			WWW loginReader = new WWW(login_URL);
			yield return loginReader;
			
			if(loginReader.error != null) {
				problem = "COULD NOT LOCATE PAGE";
			} else {
				if(loginReader.text == "right") {
					NetworkServer.SendToClient<MSG>(ObscuredString);
					[RPC]
					networkView.RPC("right", RPCMode.Others);
					networkView.RPC(problem = "LOGGED IN", RPCMode.Others);
				} else {
					problem = "INVALID USER/PASS";
				}
			}
		}
	}
}

Try:

NetworkServer.SendToClient(id, messageId, msg);