Problem with Variants!

-- url of the page with the problem -- : mywebsite.com/mypage
-- HikaShop version -- : x.x.x
-- Joomla version -- : x.x
-- PHP version -- : x.x.x
-- Browser(s) name and version -- : XXXXX x.x.x
-- Error-message(debug-mod must be tuned on) -- : Error_message

Please see this link for my problem with variants. It used to work 3 weeks ago before I did the update and now it just won't work and I have no idea why. I tried my things. Please e-mail me at mohammed_hasham@hotmail.com to let me know if you know what the problem could be and the cost.

Here is the link: www.hikashop.com/forum/product-category-...-upload-problem.html