I am trying to set up Project Sharing on one of our files. The file is stored and synced using Google Drive. On initial set of project sharing I get the following error message on the final step: "The disk drive or file is marked read-only. Please unmark it and try again." If I move the file to my desktop, outside the google drive folder, it does not give me that error message and a Project File is created successfully. The permissions on my google drive folder and the files inside are identical to the files on my desktop, Read & Write for me, Read Only for Staff and Everyone. We have successfully used Project Sharing with Google Drive in the past.