PlayStation Network appears to be running into problems right now
(Android Central)

It`s not just you if you can`t connect. What you need to know PlayStation Network appears to be down for many users. The outage has spiked on DownDetector. PlayStation Support is not indicating there are any issues right now. If you`re having trouble accessing PSN (PlayStation Network) right now on your PS4 or PS5, you`re not alone. Many users are reporting problems accessing the service, or running into errors even if they are able to connect. Per DownDetector, there`s been a massive surge in reported problems recently. PlayStation Support is not reporting any problems right now however....