Packing Slip Advanced PDF/HTML Template is not following the Accounting Preference set for “Show Additional Items on Packing Slips”.

Solution

In the template source code, find the section where the item sublist is being looped through.

Replace <#list salesorder.item as tranline> with <#list record.item as tranline>.

Make sure to adjust the columns based on the Transaction Line Fields available on the Item Fulfillment.

After making the necessary modifications, save the changes to the template.