nav menu not showing the content when clicking

Hi,

I just freshly installed the plugin and I guess I followed the instruction accordingly. I just like to test before I buy the pro version but it seems I'm stock. When I'm clicking the nav menu it just open a blank page & the copyright.

On the module "mobile menu" I point it to the Main Menu instead of duplicating the "Main Menu on menu manager" please help..

please tsek my site www.bbqchickenksa.com/bbqdemosite/

Thanks!