To resolve the issue in this case, follow the instructions below:
How to fix “You have been kicked due to unexpected client behavior” in Roblox. To fix “You have been kicked due to unexpected client behavior” in Roblox, you need to open the Roblox folder. Once you’re in the Roblox folder, you need to delete 3 files. The files are “AnalysticsSettings”, “frm.cfg”, and “GlobalBasicSettings_13”.
Using a server Script to loop through the GUIs of every player is bad practice, because it introduces weird behavior in a lot of ways, such as unexpected delays in yield functions, players seeing different things at different times, and (worst of all), you've got GUI code way over in your server scripts, far away from the rest of your GUI code.
Why does Error Code 268 Roblox appear?
If your internet speed is extremely low, there’s a chance that Roblox will show you the You have been kicked for unexpected client behavior message.
Sometimes, the Roblox servers could be down which will kick players out. Use DownDetector to know if Roblox is down or not. You can also check social media, especially Twitter, to find out if people are talking about it or not.
Some extensions may cause a problem with Roblox so make sure to disable them if you have any.
In case you have any cheat Softwares running while the game is open then you will most likely get this error. Whatever exploiting software is running along with it, make sure to close it or best to uninstall it.
See if you are able to play on your app or PC. Sometimes it could be a platform-specific issue.
Try restarting your PC and then logging into Roblox again to check if the problem persists.
One of the last resorts you can try is to uninstall Roblox and reinstall it.
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