Hikashop 3.0 - Custom Fields - Checkout Legacy = NO

-- HikaShop version -- : 3.0.0
-- Joomla version -- : 3.6.5
-- PHP version -- : 7.0

Created a number of Custom Fields (upload file and add text) in the item table, so it would display at product view. Users could fill in a text and/or upload a picture. This all worked fine when running Hika 2.6.4.
I upgraded to 3.0.0 and eventhough you can still upload a file and type in text and it is appearing in the CART, it is not saved when completing the order. It is not part of the email that is sent to the customer and it cannot be found in the backend order management when opening the order.
I enabled the DISPLAY, DISPALY:MAIL and DISPLAY:CART for all options.
Example of such a page is www.123gebak.nl/bestellen/taart-en-sloff...t/slagroomtaart-rond (only the upload is visible at this time)

When changing to CHECKOUT LEGACY = YES in HIKA 3.0.0. The item table IS displayed so works just like it did in Hika 2.6.4.

Now i want this also to work in HIKA 3.0 with checkout legacy = NO.
Can you change the code to enable that ?

Hi nicolas,

After new download of version [1702040056] and changing LEGACY=NO I cannot even finish my order..... no error message is displayed. Changing it back to LEGACY=YES and i can finish my order.
Can you check the fix you created ?

I reverted to the older version on www.123gebak.nl and created a test site based on a copy at test123gebak.cads.nl/
At test123gebak.cads.nl/ the LEGACY=OFF, installed version is [1702040056]

I updated the site test123gebak.cads.nl/ to the latest hika [1702062227] and on the test site it all works like it should (with legacy = off). Will update and test on 123gebak.nl later on today

After the update the checkout is also working with legacy=off and all custome fields are displayed on the email sent to the administrator. So this problem has been fixed.