ADD button does not post anymore after update

www.splendidmusic.nl/shop
You have the latest stable version of HikaShop Business: 2.2.3
Joomla 2.5
PHP 5.3
Latest Chome on Windows 7

KOOP NU (Buy Now) suddenly does not work any more. Not on this page and neighter on the product detail page.
This is since the latest update of Hikashop.

Please help!

Gosling Cools

Hi,

Turn off the "Use AJAX when possible for add to cart buttons" option of the configuration and it should work fine.