How do I fix error code WS 37469 9?

How do I fix error code WS 37469 9?
WS-37469-9

Check the PlayStation™Network status page.
Turn off your router, wait at least 5 minutes, then restart it.
Please try again later.

WS-37469-9
  1. Check the PlayStation™Network status page.
  2. Turn off your router, wait at least 5 minutes, then restart it.
  3. Please try again later.