Game Center authentication error

Question

I\'m trying to call the authentication method of game center, however no authentication screen comes up and the callback return with an error : \"the requested operation has

Answer 1

In iOS 4.2 when a user cancels the login to Game Center, after 3 attempts that error is returned. You can resolve the error by logging in using the Game Center app, then try your app again, you should see the welcome back message from Game Center in your app