Roblox is a virtual universe that allows you to create and play games. The platform has a great user interface and always works well. But sometimes issues can arise while in the middle of performing a task.
One common error most players get is “could not join due to Roblox join script failure”. It is an error that occurs when a player is trying to join a different server. Most people might think the problem is as a result of a poor internet connection.

However, the Roblox join script failure error is a long-running issue. It mostly has to do with the revision and mark-up of code. But there are also other possible causes of the problem.
- There is a bug in the script
- You have an incompatible system version
- The developer is experiencing some system issues
Read: How to make a Tycoon in Roblox from Scratch
Fix script failure error on Roblox
You can fix the issue in several ways. Here are all of them:
Go to the game and check its output
If it is your game, go into the script and check the output. Your game could be bad, or it may have a bad script. Also, it could have many objects that are preventing it from running correctly.
You must ensure every component is running well, and there are no bugs. Do not go into the script if it is not your game. In this case, contact the developer.
Contact the developer
When you encounter the error that displays as “Could not join due to script failure,” there may be an issue with the developer. In that case, contact them for troubleshooting.
Open the in-game developer console by pressing F9. You should then take a screenshot of the error and send it to the developer.
Check the server the other person is using
In most cases, the error occurs when trying to join another person’s game or server. If you are on one platform and the other is on a different platform, you will see the error.
It could mean that your friend is on a server you have no access to. If they are using a VIP server and you are not, you will be unable to connect.
Ensure the right ports are open
Roblox uses ports that are dependent on the type of operating system you are using. The range of the ports is UDP 49152 to 65535. If you have failed to connect to Roblox game, ensure to keep all the ports open.
That will allow Roblox to connect to your router properly.
Read: How to join or leave a group on Roblox
Reinstall Roblox
You can correct a few technical issues with Roblox by reinstalling the software. Before reinstalling, make sure you reboot your system and try again.
If that does not work, uninstall and reinstall the software. Reinstalling helps to overwrite and replace broken or deleted files. Ensure to close all other programmes before embarking on the process.
Ensure you are using a supported browser
Browser incompatibility can cause many connection problems with Roblox. If your browser version is out-of-date, you will encounter several Roblox not working issues. You need to have the most updated version of browser to Play Roblox.
If the issue is with your current browser, consider using a different browser. For Roblox Studio, ensure your Internet Explorer is up-to-date.
The Roblox join script failure error can occur due to reasons like outdated browsers and bugs in a script. Also, the problem could be on the developer’s end and not yours. In that case, contact the developer for troubleshooting.