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.

Here's how to fix Roblox error code 277 (Disconnection Error) and 901 (Authentication Error) on Windows 11/10 PC or Xbox One.

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.