[LibGdx] Google Play Game Services : IllegalStateException

I have developed a game in which I have putted advertise: Admob, Chartboost and AdColony.
When I try to integrate the game with Google+, the game crashed.

This is the log:

http://www.java-gaming.org/?action=pastebin&id=915

This is the code:

http://www.java-gaming.org/?action=pastebin&id=917