title: Error creating a GameServices object
body: <p>When trying to authenticate the local user I see the next exception happening:</p>
  
  <pre><code>I/Unity   (11264):  [Play Games Plugin DLL] 11/22/14 12:32:38 -05:00 DEBUG: Activating PlayGamesPlatform.
  I/Unity   (11264):  [Play Games Plugin DLL] 11/22/14 12:32:38 -05:00 DEBUG: PlayGamesPlatform activated: GooglePlayGames.PlayGamesPlatform
  I/Unity   (11264):  [Play Games Plugin DLL] 11/22/14 12:32:38 -05:00 DEBUG: Creating platform-specific Play Games client.
  I/Unity   (11264):  [Play Games Plugin DLL] 11/22/14 12:32:38 -05:00 DEBUG: Creating real IPlayGamesClient
  
  D/GamesUnitySDK(11264): Performing Android initialization of the GPG SDK
  
  I/Unity   (11264): InvalidOperationException: There was an error creating a GameServices object. Check for log errors from GamesNativeSDK
  I/Unity   (11264):   at GooglePlayGames.Native.PInvoke.GameServicesBuilder.Build (GooglePlayGames.Native.PInvoke.PlatformConfiguration configRef) [0x00000] in &lt;filename unknown&gt;:0 
  I/Unity   (11264):   at GooglePlayGames.Native.NativeClient.InitializeGameServices () [0x00000] in &lt;filename unknown&gt;:0 
  I/Unity   (11264):   at GooglePlayGames.Native.NativeClient.Authenticate (System.Action`1 callback, Boolean silent) [0x00000] in &lt;filename unknown&gt;:0 
  I/Unity   (11264):   at GooglePlayGames.PlayGamesPlatform.Authenticate (System.Action`1 callback, Boolean silent) [0x00000] in &lt;filename unknown&gt;:0 
  I/Unity   (11264):   at GooglePlayGames.PlayGamesPlatform.Authenticate (System.Action`1 callback) [0x00000] in &lt;filename unknown&gt;:0 
  I/Unity   (11264):   at GooglePlayGames.PlayGamesLocalUser.Authenticate (System.Action`1 callback) [0x00000] in &lt;filename unknown&gt;:0 
  </code></pre>
  
  <p>Errors from GamesNativeSDK:</p>
  
  <pre><code>E/GamesNativeSDK(11264): Can't register class com/google/android/gms/games/snapshot/SnapshotContents: an exception occurred.
  E/GamesNativeSDK(11264): Could not register one or more required Java classes.
  </code></pre>
  
  <p>What does this error mean and how can I fix it?</p>
  
  <p>I am using the latest build available at <a href="https://github.com/playgameservices/play-games-plugin-for-unity" rel="nofollow">Google Play Games plugin for Unity</a>:</p>
  
  <ul>
  <li><a href="https://github.com/playgameservices/play-games-plugin-for-unity/blob/master/current-build/GooglePlayGamesPlugin-0.9.10.unitypackage" rel="nofollow">GooglePlayGamesPlugin-0.9.10.unitypackage</a></li>
  </ul>