com.google.api.client.googleapis.json.GoogleJsonResponseException: 503 Service Unavailable
{
  "code": 503,
  "errors": [
    {
      "domain": "global",
      "message": "java.lang.IndexOutOfBoundsException: Index: 0, Size: 0",
      "reason": "backendError"
    }
  ],
  "message": "java.lang.IndexOutOfBoundsException: Index: 0, Size: 0"
}
    at com.google.api.client.googleapis.json.GoogleJsonResponseException.from(GoogleJsonResponseException.java:145)
    at com.google.api.client.googleapis.services.json.AbstractGoogleJsonClientRequest.newExceptionOnError(AbstractGoogleJsonClientRequest.java:113)
    at com.google.api.client.googleapis.services.json.AbstractGoogleJsonClientRequest.newExceptionOnError(AbstractGoogleJsonClientRequest.java:40)
    at com.google.api.client.googleapis.services.AbstractGoogleClientRequest$1.interceptResponse(AbstractGoogleClientRequest.java:321)
    at com.google.api.client.http.HttpRequest.execute(HttpRequest.java:1056)
    at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:419)
    at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:352)
    at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.execute(AbstractGoogleClientRequest.java:469)
    at com.nielstrom.spacepack.games.shared.MainGameScreen$4$1$1.run(MainGameScreen.java:427)
    at com.nielstrom.spacepack.games.shared.MainGameScreen$7.run(MainGameScreen.java:977)
    at java.util.TimerThread.mainLoop(Timer.java:555)
    at java.util.TimerThread.run(Timer.java:505)