This bookmark is corrupt. Please delete and re-add it to your bookmark bar.

What happened

You tried to open an application by clicking its bookmark, but the bookmark is no longer functional.

What you can do

1. Right-click the bookmark and click Remove Bookmark.
2. When prompted to remove the application from your bookmarks, click Yes.
3. Click File > Open > Notes Application > Open (Notes Basic client users: File > Application > Open), locate the application, and click Bookmark.