Can't play custom game - unable to retrieve data.

Every time i try to play a custom game, it says ‘unable to retrieve data, please ensure that your privacy settings allow you to view content from other players’. Altough my privacy settings are alright, it keeps appearing. Someone pls help!

<mark>Mod edit: moved to support</mark>

Just hard reset your xbox and it should be fixed.
Also…

Post in the Support Forums next time.