Roblox error code 103 occurs when you are unable to join a game or a world due to certain restrictions, and it specifically affects games on Xbox consoles. Some of the reasons for this error include age restrictions, outdated firmware settings, and console restrictions, such as Xbox's policy to protect children's accounts from accessing games that are not suitable for their age group
. To fix this error, you can try creating a new Roblox account, clearing the cache on your Xbox, or uninstalling and reinstalling the Roblox app
