Unity Monetization.Во время Advertisement.Initialize("2282282",false); NullReferenceException: Object reference not set to an instance of an object

Пустой проект,только скачан ассет UnityMonetization,и скрипт накинут на геймобджект и назначен на кнопку.

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Advertisements;

public class ggggg : MonoBehaviour
{
    void Start()
    {
        if(Advertisement.isSupported){
            Debug.Log("супорт");
            Advertisement.Initialize("3918769",true);//ругается на эту строку
            Debug.Log("инит");
        }
    }

    public void play(){
        if(Advertisement.IsReady()){
            Debug.Log("реди");
            Advertisement.Show("video");
        }
    }
}

NullReferenceException: Object reference not set to an instance of an object 
System.Net.AutoWebProxyScriptEngine.InitializeRegistryGlobalProxy () (at <c8c8707b2adc41b09ae682df75fe1fd0>:0) 
System.Net.AutoWebProxyScriptEngine.GetWebProxyData () (at <c8c8707b2adc41b09ae682df75fe1fd0>:0) 
System.Net.WebProxy.UnsafeUpdateFromRegistry () (at <c8c8707b2adc41b09ae682df75fe1fd0>:0) 
System.Net.WebProxy..ctor (System.Boolean enableAutoproxy) (at <c8c8707b2adc41b09ae682df75fe1fd0>:0)