Reinstalling the client:
New Admin Account:
Upload new information files:
After the initial response, they requested some general information about the system and being the support person that I am, I was glad to comply:
Overall, the support experience had been very helpful, and the representatives have been very kind and patient. It initially took some time to get a response (I started this adventure during the holidays) but they have been very responsive since then. I'm also grateful I have an M1 Mac that runs the game just fine while I figure this out.