Why Only Company Owned parts can be used together with Delivery Confirmation?

@Nikila Dis normally Delivery Confirmation is used in conjunction with delaying the COGS postings until delivery is confirmed.

But anyways, the main functionality is to block the Invoice creation until delivery is confirmed. Since Customer Owned stock will not be invoiced, probably this is the reason why delivery confirmation doesn’t work with Supplier Loaned Stock and Customer Owned Stock.

By looking at the code, I can see this error is triggered only when you use Delay COGS functionality and also Delivery Confirmation. I guess you could try to deactivate Delay COGS at Company level and then try to add the customer owned stock line in the CO for a customer that has Delivery Confirmation checked. It might work.

-- CONFIRM DELIVERIES WITH "DELAY COGS" (delay COGS can't be set unless delivery confirmation is true)
   IF (headrec_.delay_cogs_to_deliv_conf = 'TRUE') THEN

      -- direct delivery
      IF (newrec_.supply_code IN ('PD', 'IPD')) THEN
         IF triggered_by_header_ THEN
            Error_SYS.Record_General(lu_name_, 'DIRECTDEL_DC: There are order lines using Direct Delivery. Not allowed when Cost of Goods Sold is delayed to Delivery Confirmation.');
         ELSE
            Error_SYS.Record_General(lu_name_, 'DIRECTDEL_DC2: Not possible to use Direct Delivery when Cost of Goods Sold is delayed to Delivery Confirmation.');
         END IF;

@Nikila Dis could you try with a brand new CO? I guess the delay cogs attribute is saved on Order Header when order is created.