Breaks Quote Request Button

Notice if you visit the following link for a simple product and click ‘Request a Quote’ then you’re taken to a page with a list of products quotes are being requested for (controlled by YITH Woocommerce Request A Quote Premium):

http://dev12.hchad.com/shop/commercial-electric-vehicles/citecar-fire-buddy-standard/

Now when viewing a variable product such as the one in the following link, after selecting a variation, nothing happens when clicking ‘Request a Quote’. Any input or insight would be HIGHLY appreciated!

http://dev12.hchad.com/shop/street-legal-golf-carts/citecar-4pf-street-legal-golf-cart/