What does Roblox error code 403 "an error was encountered during authentication 2023" mean?

This error code indicates that the Roblox system encountered a problem while trying to verify your identity or log you into your account. 'Authentication' is the process of confirming you are who you claim to be, usually through your username and password. The '403' typically signifies a 'Forbidden' access, meaning the server understood the request but refused to authorize it, often due to invalid credentials, session issues, or other security blocks. The '2023' just contextualizes the timeframe when this specific error message became prevalent or was observed.