https://www.gamespot.com/articles/fortnite-servers-down-again-for-ps4-xbox-one-and-p/1100-6456376/

Following a long stretch of downtime related to maintenance yesterday, Fortnite's servers are again experiencing issues today, January 26. Epic Games has confirmed log-in issues on PC, PS4, and Xbox One--if you're unable to get online to play, you're not the only one.