Information about this error when adding a phone number or a Battle.net Authenticator to a Battle.net account.

What to do if you log into Diablo Immortal and your game progress was lost or reset

It is not possible to remove the Battle.net Authenticator from an account with Battle.net Balance

What to do if you cannot locate your Overwatch Battle.net Account.

There was a server-side issue downloading a required file.

This purchase was declined by the bank.

This purchase was declined by the bank.

This purchase was declined by the bank.

How to attach an Authenticator to your Battle.net account

There's an error with your payment authorization. Your financial institution may be denying the payment. Contact your bank or credit card issuer for help.