Unity Ads not Working???

I Don't Really Know How To Explain It But I'll Try. When I Used An Advertisement Script And Tested It This Error Would Show up : ---------- NullReferenceException: Object reference not set to an instance of an object System.Net.AutoWebProxyScriptEngine.InitializeRegistryGlobalProxy () (at <525dc68fbe6640f483d9939a51075a29>:0) System.Net.AutoWebProxyScriptEngine.GetWebProxyData () (at <525dc68fbe6640f483d9939a51075a29>:0) System.Net.WebProxy.UnsafeUpdateFromRegistry () (at <525dc68fbe6640f483d9939a51075a29>:0) System.Net.WebProxy..ctor (System.Boolean enableAutoproxy) (at <525dc68fbe6640f483d9939a51075a29>:0) System.Net.WebProxy.CreateDefaultProxy () (at <525dc68fbe6640f483d9939a51075a29>:0) System.Net.Configuration.DefaultProxySectionInternal.GetSystemWebProxy () (at <525dc68fbe6640f483d9939a51075a29>:0) System.Net.Configuration.DefaultProxySectionInternal.GetDefaultProxy_UsingOldMonoCode () (at <525dc68fbe6640f483d9939a51075a29>:0) System.Net.Configuration.DefaultProxySectionInternal.GetSection () (at <525dc68fbe6640f483d9939a51075a29>:0) System.Net.WebRequest.get_InternalDefaultWebProxy () (at <525dc68fbe6640f483d9939a51075a29>:0) System.Net.HttpWebRequest..ctor (System.Uri uri) (at <525dc68fbe6640f483d9939a51075a29>:0) (wrapper remoting-invoke-with-check) System.Net.HttpWebRequest..ctor(System.Uri) System.Net.HttpRequestCreator.Create (System.Uri uri) (at <525dc68fbe6640f483d9939a51075a29>:0) System.Net.WebRequest.Create (System.Uri requestUri, System.Boolean useUriBase) (at <525dc68fbe6640f483d9939a51075a29>:0) System.Net.WebRequest.Create (System.String requestUriString) (at <525dc68fbe6640f483d9939a51075a29>:0) UnityEngine.Advertisements.Platform.Editor.EditorPlatform.Initialize (System.String gameId, System.Boolean testMode, System.Boolean enablePerPlacementLoad) (at Library/PackageCache/com.unity.ads@3.5.0/Runtime/Advertisement/Platform/Editor/EditorPlatform.cs:85) UnityEngine.Advertisements.Platform.Platform.Initialize (System.String gameId, System.Boolean testMode, System.Boolean enablePerPlacementLoad) (at Library/PackageCache/com.unity.ads@3.5.0/Runtime/Advertisement/Platform/Platform.cs:64) UnityEngine.Advertisements.Advertisement.Initialize (System.String gameId, System.Boolean testMode, System.Boolean enablePerPlacementLoad) (at Library/PackageCache/com.unity.ads@3.5.0/Runtime/Advertisement/Advertisement.cs:83) UnityEngine.Advertisements.Advertisement.Initialize (System.String gameId, System.Boolean testMode) (at Library/PackageCache/com.unity.ads@3.5.0/Runtime/Advertisement/Advertisement.cs:67) Test.Start () (at Assets/Scripts/Test.cs:29) ---------- I Looked At Different Forums But Can't Find The Answers, If You Need The Script Then Here : using UnityEngine; using UnityEngine.UI; using UnityEngine.Advertisements; [RequireComponent(typeof(Button))] public class Test : MonoBehaviour, IUnityAdsListener { #if UNITY_ANDROID private string gameId = "3859891"; #elif UNITY_EDITOR private string gameId = "3859891"; #endif Button myButton; public string myPlacementId = "rewardedVideo"; void Start() { myButton = GetComponent(); // Set interactivity to be dependent on the Placement’s status: myButton.interactable = Advertisement.IsReady(myPlacementId); // Map the ShowRewardedVideo function to the button’s click listener: if (myButton) myButton.onClick.AddListener(ShowRewardedVideo); // Initialize the Ads listener and service: Advertisement.AddListener(this); Advertisement.Initialize(gameId, true); } // Implement a function for showing a rewarded video ad: void ShowRewardedVideo() { Advertisement.Show(myPlacementId); } // Implement IUnityAdsListener interface methods: public void OnUnityAdsReady(string placementId) { // If the ready Placement is rewarded, activate the button: if (placementId == myPlacementId) { myButton.interactable = true; } } public void OnUnityAdsDidFinish(string placementId, ShowResult showResult) { // Define conditional logic for each ad completion status: if (showResult == ShowResult.Finished) { // Reward the user for watching the ad to completion. } else if (showResult == ShowResult.Skipped) { // Do not reward the user for skipping the ad. } else if (showResult == ShowResult.Failed) { Debug.LogWarning("The ad did not finish due to an error."); } } public void OnUnityAdsDidError(string message) { // Log the error. } public void OnUnityAdsDidStart(string placementId) { // Optional actions to take when the end-users triggers an ad. } }