Message: "A System Error Has Occurred" When Using or Creating a Nintendo Account
Description:
You are unable to reset your password, log in, add family group members, or create a Nintendo Account on https://accounts.nintendo.com, and a message is displayed, "A system error has occurred."
What to Do:
It's possible that Nintendo Account services through https://accounts.nintendo.com are currently not working.
Please try again later.
Review the Network Maintenance Information/Operational Status page for the most up-to-date maintenance and server status information.