SAP Note 28551 - Invoice release: several invoices for one PO

Symptom:

Release of blocked invoices: In the basic list, several blocked invoices are listed for an order item. The field "Difference quantity" is then filled immediately for all invoices for the order item.

Cause and prerequisites

Planned calculation of the difference quantity.

Solution
This is not an error.
When the release transaction is accessed, the difference quantity for the order item is calculated from the quantity invoiced up to that point in time minus the quantity delivered. The reason for this "rough" allocation is the following.
A finer allocation (that is, an allocation of goods receipts to an invoice item) is not possible due to the design of the database table for the purchase order history. There, it is not possible to store an allocation of more than one goods receipts to one invoice item.
A finer allocation for the release transaction would have to be determined dynamically when the basic list is being constructed. It is virtually impossible to find an algorithm which will cover all the possible cases of a purchase order history for this.

Additional key words

MR02