How to fix WS-116521-6

This service may be undergoing maintenance.
Check the server status for failure and maintenance information.

If it is not impacted by server failure or maintenance, try the following in order:

1. Reset the Internet connection settings on PlayStation®5 console and try an Internet connection test.
2. Turn off your router and modem, and wait at least 5 minutes before turning it back on.
3. If the above won't work, try again later as the line may be temporarily congested.