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.

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.

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