Unable to join any custom games

Since the update, I have been completely unable to join any custom game whatsoever. After selecting a game in the customs browser, the fireteam/loading screen appears, and is stuck on the ‘4/4 Loading Game’ step. After about a minute, the game gives me an “Unable to Join” error screen, and I am kicked out to the main menu.
No amount of restating the Xbox, game, or router fixes the issue.

What’s wrong with the matchmaking? How are other people able to play, and my Xbox is inexplicably prevented from joining games?

Any help would be greatly appreciated! :slight_smile:

This same exact thing keeps happening to me over & over again and I have no idea why.
Join
Error
Join
Error