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.

Restart your router, and device, and start Roblox from scratch to possibly get into the game again. Also, disable your VPN if you are using any while using Roblox.

Here's a straightforward guide on how to fix Roblox error code 279 quickly so you can get back to enjoying your games in peace.