Cannot change name, or subdomain, of Organization

Cannot change name, or subdomain, of Organization

I have 2 related questions. Thanks in advance for answering both of them. I am working in Nimbus Notes Web.

1) I would like to change the name of my organization (not a business org). When I go to the "Manage Organization" General > Settings screen, type in a new name, then click the "Save changes" button, I get an alert "A subdomain with this name already exists". In this step I have not attempted to change the subdomain, just the Organization name. Is it not possible to change the Organization name?

2) I would also like to change the subdomain. Will that be possible? For every entry I put in, clicking the "Save changes" button returns "A subdomain with this name already exists". I am sure that many subdomain choices are indeed taken, but I suspect that some of my choices that include numbers have never been used. How do I go about changing the subdomain?