grid category don't work more after updating joomla 3.8.2

-- url of the page with the problem -- : giovaneholden.it/autori-a-z/autori-a
-- HikaShop version -- : 3.2.1
-- Joomla version -- : 3.8.2
-- PHP version -- : 5.6
-- Browser(s) name and version -- : firefox 57.0
-- Error-message(debug-mod must be tuned on) -- : no error

Hello dear Staff of Hika Shop,
i got this problem:
The site does not hold me the 5 columns, but puts me all the articles on a single column, what's the problem?
It's always working.
I'll attach some screenies

Thank You

Claudio

i try your solution but unfortunately don't work..

you can check this url please ?

giovaneholden.it/autori-a-z/autori-a/cat...07-antonella-agnello

Many thanks

Hi Nicolas , Thanks for the reply.

I changed from old to default from the Hikashop configuration but the problem remains..

Great !

many thanks now it's all okay

Claudio