Create Complete Supplier Payment Rollback
Explanation 
Use this activity to undo an entire payment when it is incorrect. This means that you post invoices and prepayments
as unpaid.
Prerequisites
This activity requires that payments have been created within the system.
System Effects
As a result of this activity, all invoices and difference
item invoices for the specified payment are posted as
unpaid. All the installments included in the specified
payment will be rolled back to the state Authorized. The repayment affects the cash account, and an adjustment voucher is generated.
A payment with the status Rolled Back 
is generated automatically for automatic posting, and
an adjustment voucher is generated for the payment received.
Window
Supplier 
Payment Rollbacks
Related Window Descriptions
Supplier Payment Rollbacks
Enter Criteria
Procedure
  -  Perform a query or populate the window to find the payments
    that you want to undo.
- Select each payment individually, right-click, and then click  Rollback
    Complete Payment. The Rollback Complete dialog box appears, with values in the
     Voucher Date,  User Group, and  Voucher Type fields. 
- If necessary, change the voucher date, and then click OK. 
- If desired, select  Cancel to cancel the process, in which case
    the Supplier
    Rollbacks window is displayed again. When the save task is complete, the 
	Message window
    appears with the payment series ID, payment ID, voucher type, accounting
    year, and voucher number. When you are satisfied with the details, click OK. The
    status of the payment changes to Complete Rollback.