"No media was selected” error when publishing a project

💻 Environment/Context

• Projects
• Publish to library

❓ Issue/Question

• The client wanted to publish a whole project that had the status “approved” to the collection, but he got an error “no media was selected”.

👌 Resolution/Answer

• Check if there are media inside the project that do not have Approved status
• Mark all media as Approved.
• Publish again.

🔖 Notes 

• How to move media from a project into a sub-project? 
• I'm not able to publish an entire project as a collection