Roblox error messages rarely tell you what to do next. The Roblox Error Doctor asks a few short questions and points you to the likely cause and the fix for the most common Roblox error codes.
Supported Roblox error codes
- Error 264: Same account launched from a different device
- Error 267: Kicked or banned from an experience
- Error 277: Lost connection to the game server
- Error 279: Failed to connect to the game (ID 17)
- Error 524: You do not have permission to join this game
The interactive diagnosis needs JavaScript. Each guide above explains the causes and fixes step by step.
How the Error Doctor works
Choose the error code you see, answer the questions about when it happens, and the tool shows the most likely cause, step-by-step fixes and the official Roblox support pages it is based on. If we have a full guide for your error, the result links to it.
Error codes it covers
- Error 264 — the same account was launched from a different device.
- Error 267 — kicked or banned from an experience. Read the full guide.
- Error 277 — lost connection to the game server. Read the full guide.
- Error 279 — failed to connect to the game (ID = 17). Read the full guide.
- Error 524 — you do not have permission to join this experience. Read the full guide.
Frequently asked questions
Is this an official Roblox tool? No. RollerCodes is not affiliated with Roblox Corporation. The tool summarises Roblox’s own support documentation and links to it.
What if my error code is not listed? Start with our guide to Roblox connection problems, then check Roblox Support for your exact message.
Does the tool need JavaScript? Yes, the interactive part does. Without it you still see the list of supported codes above.