"No stock" / Cannot check out

-- url of the page with the problem -- : tsv1.com
-- HikaShop version -- : latest
-- Joomla version -- : 2.5
-- PHP version -- : x.x.x
-- Browser(s) name and version -- : firefox
-- Error-message(debug-mod must be tuned on) -- : Error_message

[img]http://http://i.imgur.com/QYwIyxJ.png

It says no stock and will not let me add to cart or check out

Hi,
Can you show me how did you configured your product through some screenshots ?