restriction custom field

-- HikaShop version -- : 3.4.0
-- Joomla version -- : 3.8.8
-- PHP version -- : 7.1
-- Browser(s) name and version -- : Chrome
-- Error-message(debug-mod must be tuned on) -- : not save the data and does not go in the next step to checkout

Hi,
I have set category restriction for custom fields,
I see the custom field but not save the data and does not go in the next step to checkout
see video: cargoweb.info/screencast-cargoweb.info.webm

Hello
I have solved,
problem Ajax , i habe load legacy version,
for check problem ajax suggestion for fix ?
Thanks

Hi,
Again problem with custom field, typed date (%d-%m-%Y)
see file attached

Hi,

User: lucnet
Pwd: 991234

Try price quotation and then add to the cart for checkout
cargoweb.info/spedisci-pacco

Thanks