I'm on the Xbox One version of MCC.
The Challenge Hub icon in the menu is faded out and shows unavailable. However, the active roster, matchmaking, and season menu is online so I know my game is connected to the servers. I've reset my app twice now and the issue is the same.
The Challenge Hub icon in the menu is faded out and shows unavailable. However, the active roster, matchmaking, and season menu is online so I know my game is connected to the servers. I've reset my app twice now and the issue is the same.