ap-about the standard invoice and prepayment after the cancellation, still can be paid the question

In an EBS system, this happens sometimes, when a standard invoice has been written off of the prepayment, but it can still be paid. This is not an EBS error or bug, but a standard feature of the system. This happens when we select the ' prepayment in invoice ' on the interface when we write off. Should belong to a kind of mis-operation. Such as:

650) this.width=650; "Src=" https://s2.51cto.com/wyfs02/M01/8C/80/wKiom1huIESz0UrJAABc4PXjJbs530.png-wh_500x0-wm_ 3-wmp_4-s_970743356.png "title=" Qq2.png "alt=" Wkiom1huiesz0urjaabc4pxjjbs530.png-wh_50 "/>

To prevent mis-operation, you can use personalization to disable the button.

The ' Prepayment in Invoice ' feature description:

If You check the prepayment in Invoice check box when applying prepayments and then
your prepayment and associated tax distributions is not being included in the Amount
Paid calculation.
----------------------------------------------------------------------------------------------------------- --- 
prepayment on Invoice. (check box) Enable This check box if the invoice references a
Prepayment (The invoice amount have been reduced by the prepayment amount and any
associated tax).
----------------------------------------------------------------------------------------------------------- ---- 

Entering Invoices that Reference prepayments
You can enter supplier invoices where the invoice amount includes prepayments.
If You receive a supplier invoice, and the invoice amount have been reduced because of
prepayments that the supplier have received, you need to indicate that the invoice
amount includes one or more prepayments in one of the ways:


Quick Invoices:when You enter the invoice in the Quick Invoices window, enable
The prepayment on Invoice check box.
Invoice Workbench:when You apply a prepayment to an Invoice in the Invoice
Workbench, enable the prepayment on Invoice check box in the Apply/unapply
prepayments window.


When you indicate this invoice amount includes one or more prepayments, the
following conditions is true:
After the prepayment application, the negative distributions has the prepayment
On Invoice check box checked in the Distributions window.
Distribution Total:the Distribution total includes the prepayment distributions and
Any associated tax distributions.
Amount paid:the Amount Paid on the invoice does not include the prepayments
That's the supplier referenced on the invoice.
Because The distribution total includes prepayments, you need to ensure
applied prepayments Before you submit the invoice for invoice Validation.
important:since The invoice amount includes prepayments, you should
distributions sets to create your invoice distributions when
using the prepayment on Invoice feature.

example:total Goods

1. Prepayment 1 (Invoice from supplier): +, create the prepayment/payment in system, amount:100


2. Supplier Delivery The standard invoice:900 (Supplier have deducted the prepayment invoice).
A) Create the invoice (invoice header amount:900)
B) Invoice line amount:1000, Goods Expense etc

3. Apply the prepayment 1 for this invoice if apply, choose <Apply> and <prepayment on Invoice> The Apply, the standard invoice would add new lines for prepayment.

C) Prepayment line Amount: -100 (Invoices Include prepayment:checked).
D) then can validate the invoice.

4. Finish the other payment.

ap-about the standard invoice and prepayment after the cancellation, still can be paid the question