The error with code 901 in Roblox is basically an authentication error. There is no mention of this error on the Roblox website and thus it is difficult to say the cause of this error.

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.

Roblox Error 901 Solution According to the Roblox Help page, error code 901 typically occurs when players sign up for an account or link their Gamertag.

Here are the solutions that you can do: Fix #1: Close and restart the game. Many Roblox players on Xbox One managed to fix minor bugs and errors on the game by simply restarting the game. If it ...