How to fix CE-106444-9

Please try the following steps:

1. Check the PlayStation status page.
   
2. Restart your PlayStation®5 console and connect to the Internet using a wired connection if possible.
3. When using a wireless connection, try bringing your PS5® console closer to your router or removing anything interrupting the connection between the devices.
4. Turn off your router and wait at least 5 minutes, then restart it.
5. Update your router to the latest firmware.
   For details on how to update, please contact the router vendor.
   
6. If possible, try opening the following ports:
   TCP: 80, 443, 3478, 3479, 3480.
   UDP: 3478, 3479, 49152 to 65535.
   For details on how to open ports, please contact your Internet Service Provider.