single column product

-- url of the page with the problem -- : www.micrologic.it
-- HikaShop version -- : 3.1.0
-- Joomla version -- : 3.7.2
-- PHP version -- : 7
-- Browser(s) name and version -- : chrome
-- Error-message(debug-mod must be tuned on) -- : single column product

After updating hikashop the products are displayed on a single column,
and even changing the problem does not resolve,

anyone can help me ?

Thanks Alex

Problem solved !!!

thanks for your help