I Need "invite subscribers" function on my forum

[Dr M Usman Javed]

I want to invite subscribers, please install this feature for me.thanks in anticipation
my forum address is http://www.pakcardiology.com/forum.html

[Israel <Nabble>]

Hi Dr M Usman Javed,
The module has already been activated on your forum. Can you please check if it is working properly?