When I try to order using a Mos Card, I am unable to do so because of the following error: "The Mos Card you have designated has been added by another customer."

To charge a Mos Card, after logging in select the "Manage Mos Cards" button on the Member Information Page, then select the "Add Funds Online" button. You may also add funds to a Mos Card using the "Add Funds Online" button at checkout.

Please note that the English translation of this content is based on a simplified translation. Some expressions may contain errors. Thank you for your understanding.