Dear, I check your site and I see the Popup builder is working, before build popup elements, you need choose layout to build. Please see attachment and check your site again.
Dear,
I have check again and I see small problem with WPBakery plugin latest version. To fix that problem, please kindly update DHPopup plugin on your site to latest version 1.1.20 from Codecanyon and check again.
Dear @bisiesto
Please kindly create new topic with your problem and give me more site info via private reply, I will check details problem on your site to help you.
Dear, I have check your site and I see the plugin is conflict with the Impreza theme. I have change date time picker in plugin to use Flatpickr and release it on Codecanyon. Please kindly update DHVC Form on your site to latest version 2.4.10 from Codecanyon and check again.
