Hello - while trying to register I get this error code on a JPN 3DS that has been region changed to USA. Looking up it seems like this is a username problem. (Source: https://github.com/PretendoNetwork/account/issues/41) I have tried making an account on the website itself and the 3DS replies that this PNID has been taken.
Here’s the usernames I have tried to link so far.
- PicelBo1
- PicelBoiWasTaken
If anyone has anything on my current situation please reply.