Fix Authentication Failed, Error Code: 0, An error was encountered during authentication on Roblox by following the suggestions in this post.

If you have encountered the Roblox Authentication Error Code 901 on Xbox or Windows 11/10 PC, try the solutions in this post to resolve the issue.

MORE: Is Roblox Adding Refunds And Being Sued in 2021? 7 Ways To Fix Roblox Not Working Issue [2021 Edition] Every once in a while, players report that Roblox is not working for them.