Script Error

If this has been addressed and solved, I apologise for posting this.

To move on, my problem is with a forum of mine. When we activate the chatbox, a box pops up on our screens and it looks like this:

Spoiler:

So the question is, what is this and can it be fixed.
Help is greatly appreciated on this matter.

-thanks, Jace

An Internet Explorer Script Error occurs when your web browser (Internet Explorer) experiences difficulties running a client-side script from a web site result of something done by the web developer who implemented the script on the web page and there is nothing that you can do to resolve the error.

Disabling Internet Explorer Script Errors
Most of the time, Internet Exporer Script Errors are nuisances. If you are tired of seeing errors that are outside of your control, you can choose to disable these errors.

• Open Internet Explorer

• Open the <Tools> menu

• Select the <Internet Options> menu item

• Open the <Advanced> tab

• Check the box next to "Disable script debugging

• Remove the check next to "Display a notification about every script error"

• Click the <OK> button

If you need more help to fix this please go => here