URLs cannot include 'char.'
Characters that are not permitted have been included in a URL string, or unescaped characters have been included in query strings.
To respond to this message
- Edit the URL string in HTML view, and use permitted alphanumeric characters. Use escape characters in a query string.
HTML Designer: Inserting HTML Hyperlinks and Bookmarks in Design View | Hyperlink Dialog Box | <A> Property Pages Dialog Box | Properties Window | Editing HTML | Navigating in the Document Outline Window