Fix #1: Use a non-child account. The most common reason why many people are unable to join a game and encounter the Roblox error code 103 is an issue with their account.

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.

What is ‘Error Code 1001’? Roblox is one of the most popular game-creation platforms with an estimated 214 million monthly active users.

A third person wrote, “Roblox is completely down, app and website are gone." Another user reported, “It’s still down for me, it won’t let me login. it says ‘system error, try again later ...