Revit 2020.2 release made a change to the Project Base Point that affected many users by removing the clip/unclip capability for it. Previous releases of Revit had a paper clip symbol that the user could see next to the Project Base Point symbol as shown below.
While this clip feature is no longer part of Revit as of the 2020.2 (it is still in 2020.1), the user still has the capability to move the project.
Applying Technology to Architecture 