How To Fix FKKINV494 - Reversal of bill.doc. &1 not allowed; discount doc. &2 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: FKKINV - Invoicing in Contract Accounts Receivable and Payable

• Message number: 494

• Message text: Reversal of bill.doc. &1 not allowed; discount doc. &2 already exists

What causes this issue?

With the billing document to be reversed, discount base items were
created that were already billed with a discount document.

System Response

The system does not allow the reversal of billing documents, if the
billed items for these documents were already used for calculating a
discount.

How to fix this error?

To be able to reverse the billing document, you first have to reverse
the discount document.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FKKINV494 - Reversal of bill.doc. &1 not allowed; discount doc. &2 already exists ?

  The SAP error message FKKINV494 indicates that a reversal of a billing document is not allowed because a discount document already exists for that billing document. This typically occurs in the context of the SAP Convergent Invoicing (CI) or Contract Accounts Receivable and Payable (FI-CA) modules.
  Cause:
  
  Existing Discount Document: The primary cause of this error is that a discount document has already been created for the billing document you are trying to reverse. In SAP, certain financial documents are interlinked, and the existence of a discount document can prevent the reversal of the original billing document.
  Document Status: The status of the billing document may also play a role. If the document is in a status that does not allow for reversals (e.g., already processed or settled), this error may occur.
  Configuration Settings: There may be specific configuration settings in your SAP system that restrict the reversal of billing documents under certain conditions.
  
  Solution:
  
  
  Check for Existing Discount Documents: 
  
  Use transaction codes like FB03 (Display Document) or FBL5N (Customer Line Item Display) to check if a discount document exists for the billing document in question.
  If a discount document exists, you may need to reverse or adjust that document before you can reverse the billing document.
  
  
  
  Reverse the Discount Document: 
  
  If applicable, reverse the discount document first. This can usually be done through the transaction code FB08 (Reverse Document) or the appropriate transaction for discount documents in your system.
  
  
  
  Consult with Finance Team: 
  
  If you are unsure about the implications of reversing the discount document, consult with your finance or accounting team to ensure that it is appropriate to do so.
  
  
  
  Review Configuration: 
  
  If this issue occurs frequently, it may be worth reviewing the configuration settings in your SAP system related to billing and discount processing. This may require assistance from an SAP consultant or your internal SAP support team.
  
  
  
  Documentation and Support: 
  
  Refer to SAP documentation or support notes related to FKKINV494 for additional insights or updates that may pertain to your specific version of SAP.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FB03, FB08, FBL5N, and others that may help in managing billing and discount documents.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles and Permissions: Ensure that you have the necessary permissions to perform reversals and access related documents.
  
  By following these steps, you should be able to resolve the FKKINV494 error and successfully manage your billing documents in SAP.