This error message appears while logging in to the game with the message that the player was disconnected from the server.
Troubleshooting steps for payment error: Oops! This needs your attention.
Troubleshooting steps for payment error: Unexpected error code from complete:0.
Information regarding steps you can take if your email address is already in use on an account.
What to do if you receive an error that your code is already claimed in your account.
What to do if you receive a generic error when sending a gift to a friend.
Information about password restrictions and requirements for Blizzard accounts
Information about this error when adding a phone number or an Authenticator to a Blizzard account
Troubleshooting for game crashes with error "The application encountered an unexpected error"
Follow these steps to return your game client’s language settings to default.