Information on BLZBNTAGT000002C1 error message.
Monitor displays "Out of range" error when launching a game.
Information about why you might get the message "An error has occurred." when you try to add a payment method
Troubleshooting steps for payment error: Zounds! An internal error occurred.
What to do if you receive this error in the Blizzard Shop.
Information about password restrictions and requirements for Battle.net accounts
This error is generally presented when trying to log in on a console device while the servers are down.