‘Finding Online Adventure Session’ just disappears after a few seconds. First time it’s happened to me. I’ve reset my modem, did a hard restart on the Xbox, and tested the connection but still can’t find a game session.
xbox live is having matchmaking issues in all games
You can check the Xbox Live Status here: Xbox Support.
Social and Gaming for Xbox One are experiencing issues at the moment. Who knows when they’ll be fixed. It’s affecting my League play in Forza Motorsport 6 as well.