To fix Script Error, An error has occurred in the script on this page in Outlook, Teams, etc. you will need to use the Internet Options in Windows 11/10.

The 'Library Not Registered' Script Error in Outlook may occur after upgrading Outlook from a previous version. Follow these suggestions to fix it.

Tired of those pesky errors popping up even when you're not using your browser? Tweaking a single Internet Explorer setting may eliminate the problem.

How about just checking the 'Disable script debugging' boxes in Tools, Internet Options, Advanced? That way, you won't see the errors, which most often are problems with the site anyway.