https://www.gamespot.com/articles/fortnite-servers-down-for-maintenance-ahead-of-new/1100-6456332/

A new update for Fortnite is scheduled to launch today on all platforms, but players on PC, PS4, and Xbox One are unable to play right now. Maintenance has taken longer than expected, and developer Epic Games says the game will still be down for a period of time as it works to complete the process.