Seems that registration was closed. I need this to send a message to its user... His login is abctc. I don't know whether he is present here now, but if he reads this please contact me. 
Nxt forum (and ardor forum) is read only, so I believe you cannot registered on there anymore. All discussions have been moved to this site.
I see. It is sad (
The user I wanted to send message today was online. Maybe someone who has access pings him, if messages still working? Please!
His profile: Profile of abctc
Cannot login to the forum, so they may not have been online. Hopefully they will see your post here.
Maybe it is something someone else can help you with, if you post a question