Information on error BLZ51901021. BLZ51900001

Unable to access the game, getting error WOW51900104 when attempting to log in

During periods of high login traffic, we may put you in a login queue.

What to do if you can't access Sea of Thieves via the Battle.net App.

How to resolve this error when trying to log in to Battle.net

What to do if you continue being redirected to the login screen after entering your credentials

A community site or app throws a 404 error when attempting to login via B.net or when accessing your Battle.net data.

What to do if you get a "Something went wrong" error when logging in to the Battle.net Mobile App

What to do if you get this error when trying to use a paid service

Troubleshooting for this connection error when attempting to log in to Diablo Immortal