title: "No fill" error in Facebook Audience SDK no matter what I do
body: <p>Im trying to impletent native ads, and no matter how minimal my implementation I always get "no fill" error.</p>
  
  <p>I am using my phone. 
  I do have native app installed.
  I am logged in with the same account that im developer with
  I do not have personalised ads tracking turned off</p>
  
  <p>Ive tried making both a hello world fb app with me as admin, and android app, nothing
  Ive tried using my "real" facebook account, nothing
  Ive tried both wifi and 3g networks, nothing</p>
  
  <p>No requests comming through in the request debugger. I always get no fill error on the device, not even once it server an ad, so I suspect some setup error. I am out of ideas, can you please check it?</p>
  
  <p>fb app id 164610790550461
  audience network sdk 4.26.0</p>
  
  <p>Thank you</p>
  
  <pre><code>compile ("com.facebook.android:audience-network-sdk:4.26.0", {
      exclude group: "com.google.android.exoplayer"
  })
  
  mNativeAdsManager = new NativeAdsManager(getActivity(), "my placement id", 1);
              mNativeAdsManager.setListener(new NativeAdsManager.Listener() {
                  public boolean mRetried;
  
                  @Override public void onAdsLoaded() {
                      //
                  }
  
                  @Override public void onAdError(AdError adError) {
                      //
                  }
              });
              mNativeAdsManager.loadAds();
  </code></pre>
  
  <p><strong>// EDIT SOLUTION: my phone was blacklisted for some reason, works on other devices ive tested</strong></p>