Roblox Error Code 278 Explained
278 is the idle timeout with a specific number attached. It is also occasionally something less benign.
The short answer
Roblox error code 278 means the server removed you for receiving no input over an extended period, which is the platform's idle timeout working as designed. It can also appear when a client freeze prevents input reaching the server even though the player is active, making it a useful signal of performance problems. Distinguishing genuine idling from client stalls determines whether any action is needed.
Verified and last updated August 12, 2026.
- Time needed
- 7 min
- Difficulty
- Beginner
- Read time
- 2 min
Error 278 is the idle timeout. If you walked away and came back to it, that is the entire explanation and everything worked as intended.
The interesting case is when you were actively playing. That version means something different.
Active players getting 278 have a performance problem
A client that freezes for long enough sends no input. The server cannot distinguish that from someone who left the room.
Step 1: Confirm whether you were genuinely idle
Roblox and individual experiences apply idle timeouts to free server slots. Roughly twenty minutes is common at platform level, and developers frequently set shorter ones.
There is no player-side way to extend it. Some experiences include a proper AFK mode; use that where it exists.
What not to do is run third-party software that simulates input. That falls under unauthorised software and puts the account at risk, which is a poor trade for avoiding a rejoin.
Step 2: Investigate stalls if you were actively playing
Roblox is single-thread CPU and memory bound rather than GPU bound, so the useful levers are closing browser tabs, freeing RAM and lowering the in-game graphics slider.
The FPS guide covers what actually helps on constrained hardware, and the 266 guide covers the closely related case where the server stops hearing from you for network reasons rather than performance ones.
What works
What doesn't
Key takeaways
Frequently asked questions
How long does Roblox wait before an idle kick?
It varies by experience because developers can set their own thresholds, but roughly twenty minutes of no input is a common figure on the platform level. Games with limited server slots often set much shorter timeouts to keep instances available for active players. There is no way to extend it from the player side.
I was playing actively and still got 278. Why?
Because your client most likely froze long enough that no input reached the server. From the server's perspective, a stalled client and an absent player look the same. This is common on lower-end hardware and is a genuine signal worth acting on rather than dismissing, since the underlying stall affects everything else too.
Do AFK farming setups avoid this?
Some experiences implement explicit AFK modes that keep the session alive, and those are legitimate. Third-party tools that simulate input to defeat the timeout are a different matter and fall foul of the rules against unauthorised software, which risks the account. Use the in-game AFK feature where one exists and nothing else.
About the author
Roblox & Live-Service Editor
Priya started scripting in Roblox Studio at fourteen and has since published three experiences, the largest of which passed 1.2 million visits. That background is why our Roblox coverage explains why a code fails rather than just telling you to try again later.
Found something wrong? Games patch and fixes go stale. If a step here no longer works, tell us at hello@spyld.com and we will retest it. Read how we test and our editorial policy.