title: No campaign data found. Google analytics
body: <p>I have problem with Google analytics v4 in my project. I'm receiving error No campaign data found.</p>
  
  <p>Here is my code:<br>
  In activity file:</p>
  
  <pre><code>    private void reportGoogleAnalitics(String screenName){
      GoogleAnalytics.getInstance(this).newTracker(getString(R.string.google_analytics_id));
      GoogleAnalytics.getInstance(this).getLogger().setLogLevel(Logger.LogLevel.VERBOSE);
      tracker = ((SBTApplication) getApplication()).getTracker(TrackerName.APP_TRACKER);
      tracker.setScreenName(screenName);
      tracker.send(new HitBuilders.AppViewBuilder().build());
  }
  </code></pre>
  
  <p>And in my application class:</p>
  
  <pre><code>public class SBTApplication extends Application {
      private HashMap&lt;TrackerName, Tracker&gt; mTrackers = new HashMap&lt;TrackerName, Tracker&gt;();
  
      synchronized Tracker getTracker(TrackerName trackerId) {
          if (!mTrackers.containsKey(trackerId)) {
  
              GoogleAnalytics analytics = GoogleAnalytics.getInstance(this);
              Tracker t = analytics.newTracker(getString(R.string.google_analytics_id));
              mTrackers.put(trackerId, t);
  
          }
          return mTrackers.get(trackerId);
      }
  }
  </code></pre>
  
  <p>Whats wrong with that?</p>