EXP ARXTWMAI Cannot Unapply Credit Memo From Invoice In Approved DU / TU When CM was Applied to INV in Approved DU / TU Due to "This transaction has already been included in a Dialogue Unit and cannot be modified" (Doc ID 1915067.1)

Last updated on MARCH 18, 2016

Applies to:

Oracle Public Sector Financials (International) - Version 11.5.10.2 and later
Information in this document applies to any platform.
FORM:IGIPDEDU.FMB - Dialog Units
FORM:IGIPDETU.FMB - Transmission Units
Form:ARXTWMAI.FMB - Transactions

Symptoms

On : 11.5.10.2 version, Exchange Protocol

ACTUAL BEHAVIOR
---------------
A Dialog Unit (DU) is created and invoices are assigned to it. The DU is then added to a Transmission Unit (TU) which is then approved.
At this point it should not be possible to change the DU / TU data.
However it is possible to apply a credit memo (CM) to an invoice (INV) in the DU, but it is not possible to unapply the credit memo.

The current functionality is as follows :-
If the DU is not included in a TU, then it can be rejected which should release the invoice so that it can be included in a new DU.
Once released then the invoice can also be amended and the credit memo can be unapplied.

If the DU is in a TU but the TU is not approved, then you can still remove the DU from the TU by rejecting it and this should release the invoice.
Once released then the invoice can also be amended and the credit memo can be unapplied.

If the TU is approved and completed, then no change can be made to the invoice or the credit memo and the only way around this would be to raise new transactions in AR to offset the incorrectly applied credit memo.
It is standard functionality that once an invoice is included in a DU then it cannot be changed.


When try to unapply the credit memo from the invoice that belongs to a DU that is assigned to a TU which is approved and completed, the following error occurs :-

ERROR
-----------
This transaction has already been included in a Dialogue Unit and cannot be modified.

EXPECTED BEHAVIOR
-----------------------
Expected that it is possible to unapply the credit memo from the invoice

STEPS
-----------------------
The issue can be reproduced at will with the following steps:
1. Create standard invoice and include into DU / TU
2. Create credit memo and apply to invoice that belongs to a DU which is in a TU that is approved and completed
3. Try to unapply the CM.

Cause

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