[DONE] Problem with folder permissions

-- HikaShop version -- : 2.3.2
-- Joomla version -- : 3.3.3
-- Error-message(debug-mod must be tuned on) -- : The folder /PATH/media/com_hikashop/upload/thumbnails/0x1024fsO is not writable

I have here problem with permissions on product page, i set also on this thumbnails folders 777, but the same problem.

The field product page image height was empty.