What happens when you click on “select a different Roon server”? This is normal for when you “turn off” or delete one server and start a new one. You need to tell Roon to look for or create the new server.
Thanks for writing in and for sharing your report! @jarl.j.edu is quite correct in their above response - let us know if you’re able to connect to your new server after selecting ‘select a different Roon Server’.