Update: It should be back up soon.
ETA 15-20 until this process is complete. Once we are back up, players will encounter a waiting room. More info: https://t.co/8VpYPLekcI
— Fortnite (@FortniteGame) September 28, 2017

Players attempting to play Fortnite‘s Battle Royale mode are currently experiencing matchmaking issues.
The developer admitted as much on their Twitter:
Connecting to matchmaking as a squad is taking longer than usual after our recent recovery. We are looking into the situation now.
— Fortnite (@FortniteGame) September 28, 2017

We will be completely disabling Battle Royale matchmaking as we resolve this issue. All further updates here: https://t.co/8VpYPLekcI
— Fortnite (@FortniteGame) September 28, 2017
For more on the Early Access title, check out our impressions. Here’s what I had to say about the game:
Plenty of my favorite gaming moments have been playing a cooperative game online, but absolutely none of them have been with a group of entirely random players. Since I largely experienced Fortnite solo, it meant that I was teaming up with other players. I had a pretty awful experience right off the bat, as in my second game I was paired up with someone who spent three minutes yelling at me for successfully completing an objective ?too early.? I eventually figured out how to mute the guy, who gave me the very helpful advice of ?learn how to play the game.? It was a good reminder that people can often suck the fun out of an...