Hi Pat
I have WV 2016, but I guess the same principles apply.
However, I have no workspaces in the workspaces folder where you mentioned. My workspaces are within Applications: Vectorworks 2106: Workspaces. When I remove the Architect and Fundamentals files from there, Vectorworks will not open as it cannot find these files.
All used to be OK on my previous Mac, however does not work in my MacBook. This has been the scenario since I first installed.
Regards
Phil