If you are experiencing a Call of Duty: Modern Warfare beta account login error 0 when you try to access the game's open beta, you are not alone. Some players are reporting an error message called "Error: 0" which says "There is a problem with your Activision account, “Blocking access to the game. For those wondering“ Why can't I log in? ”We have put together a guide of possible solutions and things to look at on how to fix Modern Warfare beta Error 0.
Modern Warfare Beta Error 0 | Possible solutions
Since the 0 error simply indicates that there is a problem with your Activision account, it could mean a number of things. If you haven't linked your PSN to your Activision account on the Activision website, that should be your first step. To link your Activision and PSN account, open a web browser, log into your PSN account, log into your Call of Duty profile in the same browser, select an account to link in the "Account Linking" section and select continue. If you have any problems, check out this Activision FAQ.
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Some players have also found that the problem stems from a mismatch between their PSN account region and their Activision account region. For example, if you own a US PSN and are trying to connect to a UK Activision account, you may run into the Modern Warfare beta account login error. The possible solution to this problem could be creating a new Activision account in the same area as the PSN.
If none of these problems fix your login error, it might be a good idea to restart your console and router before moving on to other fixing methods to ensure there are no user-side problems.
Modern Warfare Beta Error 0 | Possible developer fixes
If these fixes don't work and you're still getting the account login error message, your best bet may be to activate Activision itself. If the problem persists and becomes widespread, it is possible that we will see it resolved through Modern Warfare related social media channels. Keep an eye out for the Activision Twitter Support and Modern Warfare Reddit page for updates, as well as the Infinity Ward Twitter and Call of Duty Twitter. You can also contact Activision support directly to see if the support team can fix anything on their side.
