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.
You have attempted to connect to an invalid server. If this problem persists, please contact Customer Support.
Troubleshooting steps for missing notifications on the Battle.net Mobile App
Battle.net balance can't be used in the mobile version of the game.
This phone number cannot be used to complete this operation
Troubleshooting PayPal payment issues
Battle.net Balance cannot be used to pay for some Blizzard products
What to do if you cannot locate your Warcraft Battle.net Account.