There are currently issues with the PSN (PlayStation Network) today, on February 4th. Login is not functioning. This is the network status:
Anyone wanting to play PS4 this Saturday around noon is facing a problem. Numerous players are reporting that they cannot log in, and that the PSN login is not working.
Instead, after a long loading time, the message appears: “The PlayStation Network is currently under maintenance.”
The official PSN status confirms these user reports: All services are officially offline. Account management, gaming, social networks, and the PlayStation Store are down.
According to Sony, the developers are working to resolve the issue as quickly as possible. They appreciate your patience.
When you can play again remains to be seen.
Update 12:05: It seems to be working again. The situation is improving. Armageddon has just been cancelled once again. The question is: For how long?
In the meantime, here are some interesting reading materials: