Menu translate with Falang not working - Joomla! Forum - community, help and support

hi, all

i installed falang translator,
after setting documentation, has translate menus other language.

but after few day, menu translator not working,
i checked content translator, work well.

why menu translator cannot work after few days.

are affected component installed after falang..?

fyi: after done falang, installed joomgallery, , uninstall phoca gallery.
are affected..?

thanks