Producst arenot showing in a three column layout?

-- HikaShop version -- : 3.4.0
-- Joomla version -- : 3.8.7
-- PHP version -- : 7
-- Browser(s) name and version -- : mozilla
-- Error-message(debug-mod must be tuned on) -- : Although i have created a menu item showing the products in div mode in a column 3 x33, the products are shown in one column

Although i have created a menu item showing the products in div mode in a column 3 x33, the products are shown in one column ?

How to solve