Wii Error Code 208003 - Wii Error Codes

This error is caused by a entering an incorrect credit card or debit card number for a purchase on the Wii online service.

To solve this error :

Please not that currently, the only card types accepted by the Wii online service are Mastercard and Visa.

Check if you have properly entered your Visa or Mastercard number and try again.

If this problem still occurs, try contacting your credit card or debit card company for further assistance.