When you run the center command like that, the "active" view is the view that will "center" based on the points coordinate. If the "active" view is not a graphical view (the point spreadsheet), we just bring up the center command UI and let user pick which view to center.
Just select the tab at the top of the view to make the plan view active and then run the center cmd.
If you have multiple plan view open, you will want to make sure the view you want "centered" is the active view.
------------------------------
Gary Lantaff
------------------------------