There are a number of known issues with Google Shared drives.
Some file types cannot be stored in Shared drives, such as Google Maps and existing documents with attached Apps Scripts.
You cannot move a folder from My Drive to a Shared drive. You must move the files, though you can move multiple files at one time. See Migrate Files to Google Shared drives for detailed instructions.
Lucidpress and Lucidchart Documents
Lucidpress and Lucidchart document types cannot be moved to Google Shared drives. To store and share this content on Google Shared drives, save the document in a PDF format and move the PDF to the Shared drives.