What to do if you receive this error in the Blizzard Shop.
Information about why you might get the message "An error has occurred." when you try to add a payment method
Unable to log in to a character after a paid service
When you buy a new subscription or you change your payment plan, an authorization hold will be immediately sent to your bank
How to unlock a character locked due to a billing issue
Customer Support may ask you for your PayPal billing agreement ID or your order invoice ID when assisting you with a refund
Information on how to update your billing profiles.
Information on how use the boleto option at the PayU checkout page.
Troubleshooting steps for the error: "account_not_trusted_write_locked"
What to do when you are unable to complete a payment and you haven't received any error during your purchase attempt