Updated: 1 month ago
Article ID: 184104

Common Problems

Invalid login credentials. Please always start the game using the App
Error Code: BLZBNTBGS0000020A

This error indicates an issue with your connection to the Call of Duty: Black Ops 4 servers.

  1. Check the BlizzardCS Twitter for any service interruptions.
  2. Make sure you launch the game through the Desktop App.
  3. Make sure you are logged in with the correct account.
  4. Check your internet connection.

Tried everything here?

If you have tried these steps and still require assistance, please contact Activision Support.