What's going on and how do I get my game to play?
The IOS is the part of the operating system that loads games, and different games use different IOSes.
As a part of these efforts, we are making Wii U™ system updates available for download via the Internet.
Your Wii U system and software are not designed for use with any unauthorized device and/or any unauthorized software.
Wii U system updates can be received automatically when connected to the Internet.
This error code appears when the Wii U console is unable to connect to the server during the system update download.