title: AdWhirlView: getting adWhirlConfigDidReceiveConfig callback from unknown AdWhirlConfig object
body: <p>I have navigation controller in my app. When my app launches then in firstViewController ads showing properly. When I select any row on firstViewController then I am pushing secondViewController. When secondViewController is loaded , I can see ad on secondViewController but in my console I am getting </p>
  
  <pre><code>AdWhirlView: getting adWhirlConfigDidReceiveConfig callback from unknown AdWhirlConfig object
  </code></pre>
  
  <p>Why this is happening I don't know. If anyone knows about this , kindly let me know. 
  If you need see my code then let me know ,I will add my code .
  Thanks</p>