where is IP address in Ip Address (only for new ip-based accounts) ---auto assign--- ????

i don't see now why?

Click the little box that says auto assign and some extra ips should be listed, if not make sure you have available ips.

I am gettin this erro when i wish create account:

WWWAcct 8.0 by J. Nick Koston

Using Delegated Ips List!
Unable to find an ip address

What can i do??

You need more ips assigned to the server. You can get 8 total free from ev1.

I have already 16 IP (1 main+7 free+8 add) on this server. I did see before all IPs in (only for new ip-based accounts) ---auto assign box. But i can't see them now. (I see all IPs in show IP usage page)

WHY?

Do you have them assigned to the server? You have to use WHM to add the ips to the server before they will work, they cannot just be give to you by ev1. If you have assigned them in WHM try to rebuild the ip pool, it might help.