Add Bottom not show

-- HikaShop version -- : 2.6.4
-- Joomla version -- : 3.5.1
-- PHP version -- : 5.4.0
-- Browser(s) name and version -- : Firefox
-- Error-message(debug-mod must be tuned on) -- : No Stock

I have 7 variants on the product there have 3 Choice. 1 of them after select show "no stock" and the "add bottom" go away. how can i make the add bottom still show even the no stock of that variants. did any one show me how to fix. thank you.

Hi,

You have 7 variants and I assume that the combination in your second screenshot do not point to one of these 7 existing variants.
When a variant does not exist ; it is not possible to add it into the cart (because it does not exist) ; that's why it display that the product do not have any stock.

Regards,