Domain is not generated after trying to create it

Hi Guys, I am new to FRED, i've followed the guide on the LiveCD webpage where it says to create a contact and a name server, which i've already done, now i tried to create a domain but i get an error saying the domain name isn;t applicable after keying in domain names such as homer.com and etc... What should I be putting as the domain name and as the registrant ID the details ive done so far are shown below COntact ID - Homer Name - Jay NSSETID - Homer ListofDNSNameserver - ns.enum1.com Technical Contact - Homer Kinda urgent, my project is due in 2 weeks - any help is much appreciated