The Roblox error 500 can be one of the indicators of an on-going server problem so what you have to do is to check the game’s server status.

Why does 'Roblox' keep saying "connection error" — and how do you fix it? According to DownDetector, over 47,000 Roblox users reported connection errors on Wednesday, Oct. 9, meaning that it's ...

Anytime you see the “HTTP 500: “Internal Server Error” message in Roblox, you’re either trying to publish your game or make changes to it on the backend.