Problems with Multivariant in multi language website

[kostianev]

Hello there, I am set up Multi Variant for product with Child products which are stockable, but the Multivariant working only in one of two languages, in the other language is not loading the dropdown menus: http://www.laleto.org/en/dresses/%D1%80%D0%BE%D0%BA%D0%BB%D1%8F-nellys-detail

Can someone help me?