Since Friday evening, Sony’s PlayStation Network has been down. At nearly 24 hours, PSN is experiencing one of the longest unscheduled outages of a major video game network. The outage is wide-reaching, including PSN’s account management, social features, the PlayStation Store, and more.
https://www.polygon.com/news/521195/playstation-network-down-outage-psn
Comments on various social media sites suggest that PSN is coming back online but seems different in various geographic areas.