Known Lessons Builder Tool Issues:
1- Editing a Lessons Builder YouTube Video
Issue: It is not possible to edit a YouTube video embedded on a Lessons Builder page (for instance adding a description). Whenever one edits a YouTube Video in the Lessons Builder tool, an error message is displayed “This must be a Youtube URL”
Workaround: None known
Status; Currently being investigated by vendor (ANI 2.9.4) and trunk Developers (Trunk Jira #418)