So I’ve bought a VPS, for instance, “helloworld.com”, and I simply completed getting WHM configured (internet hosting website one way or the other forgot to setup my nameserver information). I attempted to create a cPanel account for me to make use of and set up the discussion board, however it says

Chances are you’ll not create a website with a reputation that’s the server’s hostname.

So do I’ve to make the cPanel account a subdomain? One thing like admin.helloworld.com?