OSX Game Center: Couldn't communicate with a helper application

Question

I'm setting up Game Center for my OSX game, but it can't authenticate player with the following error (OSX 10.10 Yosemite):

I've got the following setings in iTunesConnect:

and XCode:

I'll appreciate any ideas how to make it work!

Answer 1

Solution:

This is not documented. I've reported a rdar://23594124

Add this key to the entitlements of the App:

com.apple.developer.game-center

BOOLEAN = YES

This fixes the error.