ACF – Woocommerce Order line item

I have created a acf field group form which I have managed to display inside Woocommerce order line item.

However I can’t seem to save data to it, and in once instance it looks like the data is attached to the order id, not the line_item.

Any suggestions for how to remedy this?

function display_acf_video_upload ( $item_id, $item, $product ){  
   if( ! ( is_admin() && $item->is_type('line_item') ) ) return;
           // display upload form
        acfe_form('video-upload');
         // display acf fields if entered
        the_field( 'video_order_number' );
        the_field( 'video_upload' ); 

}
add_action( 'woocommerce_before_order_itemmeta', 'display_acf_video_upload', 10, 3 );