This has happened to me several times. When I press Select a different roon server, my Mac shows up, I select that and everything goes back to normal.
Hope this helps.
We’re reaching back out since we haven’t seen a response, but automated support diagnostic for your account indicate you might have used Roon in the meantime.
Are we correct in our assumption that you’ve resolved this issue behind the scenes? We’ll keep this thread open for another day in case you still need help, but we’ll tentatively mark the thread as Solved.