Lessons are owned by one user and can't be used by other users in courses templates
When a lesson is created it is attached to a user.
If another user wants to use a lesson in a courses template, it can't be found.
Pain point : only the lesson creator can create new courses templates with the lessons s/he created. It's not possible to collaborate on courses templates creation.
There is an existing workaround but it truly is a pain point for collaborating as a team. The current functioning of Cypher enforces the idea that only one user should be the owner of the courses administration and content.