Ok just registered my account with you.

logged into cPanel, click on the Bulletin Board, and entered forum as the top level dir.

got this error

Your board has been created! Your board's admin user has the same username and password you use to login to cPanel.

You can access your board at:
http://bfvwar.com/forum/

We are going to install this board in /home/bfvwar/public_html/forum/
Invalid url.. please try agin


Do i have to create the dir called forum first ??

Your domain name is not active yet, so you're getting this error.
You just need to wait while your domain name will be propagated (72 hours in theory, but it takes much less as usual).

Thanks Stanly