Hi friends

I am having problem with Cttree control(www.dbi-tech.com)
when i am trying add control on a form i get following message like
"CLASS NOT REGISTERED"

but previously we created this control exclusively through code and having no problems
but now i am trying add control in design mode and getting abv error
u guys have any ideas plz...
(i am using VFP8)

Thanks for any ideas.