changes are not saved

-- url of the page with the problem -- : mklass.kiev.ua/tables-chairs/stulya
-- HikaShop version -- : 2.3.5
-- Joomla version -- : 3.4
-- PHP version -- : 5.4.37
-- Browser(s) name and version -- : opera 27.0.1689.76

hi. I change the "parent category", I press "save", but does not change the category. In the menu, the settings that I do it displays the main category folders. I am writing this text via google translayte so sorry for logical errors

leto38h.storage.yandex.net/rdisk/ded1558...1b7&force_default=no

Hi,

We had issues with Joomla 3.4 and the popups, so please download our latest verstion from our website the 2.3.4 and install it over you current version.