title: Admob Error - onAdFailedToLoad error code 3
body: <p>I try create admob banner in my app and I get error code 3
  please help me to get solution.</p>
  
  <p>I have meta-data in manifest</p>
  
  <p>layout:</p>
  
  <pre><code>    &lt;com.google.android.gms.ads.AdView
          xmlns:ads="http://schemas.android.com/apk/res-auto"
          android:id="@+id/adView111"
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:layout_centerHorizontal="true"
          android:layout_alignParentBottom="true"
          ads:adSize="SMART_BANNER"
          ads:adUnitId="ca-app-pub-9038559490997069/7964491403"&gt;
      &lt;/com.google.android.gms.ads.AdView&gt;
  &lt;/LinearLayout&gt;
  </code></pre>
  
  <p>Java:</p>
  
  <pre><code>@Override
  protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.activity_home);
      MobileAds.initialize(this, new OnInitializationCompleteListener() {
          @Override
          public void onInitializationComplete(InitializationStatus initializationStatus) {
          }
      });
  
      AdView adView = new AdView(this);
      adView.setAdSize(AdSize.BANNER);
      adView.setAdUnitId("ca-app-pub-9038559490997069/7964491403");
      adView = findViewById(R.id.adView111);
      AdRequest adRequest = new AdRequest.Builder().build();
      adView.setAdListener(new com.google.android.gms.ads.AdListener() {
          @Override
          public void onAdLoaded() {
              super.onAdLoaded();
              Log.e("onAdLoaded","AdLoaded");
          }
  
          @Override
          public void onAdFailedToLoad(int errorCode) {
              super.onAdFailedToLoad(errorCode);
              Log.e("onAdFailedToLoad",""+errorCode);
  
          }
      });
  
      adView.loadAd(adRequest);
  }
  </code></pre>
  
  <p>I know have error 3 if admob account is new,
  I create my admob account before one week.</p>
  
  <p>i get some Logs:</p>
  
  <pre><code>W/FA-Ads: Disabling data collection. Found google_app_id in strings.xml but Google Analytics for Firebase is missing. Remove this value or add Google Analytics for Firebase to resume data collection.2019-12-13 12:06:50.041 6768-6768/myapplication.game D/DynamitePackage: Instantiating com.google.android.gms.ads.ChimeraMobileAdsSettingManagerCreatorImpl
  I/Ads: Updating ad debug logging enablement.
  D/DynamitePackage: Instantiating com.google.android.gms.ads.ChimeraAdManagerCreatorImpl
  I/Ads: Use AdRequest.Builder.addTestDevice("94DF0193F80DB5F14BFF0EA958D02BC9") to get test ads on this device.
  2019-12-13 12:06:50.248 6768-6768/myapplication.game I/DynamiteModule: Considering local module com.google.android.gms.ads.dynamite:0 and remote module com.google.android.gms.ads.dynamite:21001
  I/DynamiteModule: Selected remote version of com.google.android.gms.ads.dynamite, version &gt;= 21001
  W/Ads: Update ad debug logging enablement as false
  W/Ads: Not retrying to fetch app settings
  I/Ads: Ad failed to load : 3
  </code></pre>