How To Fix FKKBIX2121 - The billable items that are to be reversed are already invoiced

SAP Error Message - Details

• Message type: E = Error

• Message class: FKKBIX2 - Billing in Contract Accounts Receivable and Payable

• Message number: 121

• Message text: The billable items that are to be reversed are already invoiced

What causes this issue?

The billable items to be reversed are already invoiced.

System Response

The reversal of the billable items is not permitted.

How to fix this error?

Reverse the invoicing document or the billing 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 FKKBIX2121 - The billable items that are to be reversed are already invoiced ?

  The SAP error message FKKBIX2121 indicates that you are attempting to reverse billable items that have already been invoiced. This situation typically arises in the context of billing and invoicing processes within SAP, particularly in modules like SAP FI (Financial Accounting) or SAP SD (Sales and Distribution).
  Cause:
  The error occurs because the system has detected that the items you are trying to reverse have already been included in an invoice. In SAP, once an item is invoiced, it cannot be reversed directly without following specific procedures. This is a safeguard to maintain the integrity of financial records and prevent inconsistencies.
  Solution:
  To resolve this error, you can consider the following steps:
  
  
  Check Invoice Status: Verify the status of the invoice associated with the billable items. If the invoice is already posted, you may need to reverse the invoice first before attempting to reverse the billable items.
  
  
  Reverse the Invoice: If the invoice needs to be reversed, you can do this using transaction code FB08 (for reversing accounting documents) or VF11 (for reversing billing documents in SD). Ensure that you have the necessary authorizations to perform this action.
  
  
  Use Correct Transaction: If you are trying to reverse a billing document, ensure you are using the correct transaction code and following the appropriate process for reversing billing items.
  
  
  Consult Documentation: Review SAP documentation or your organization's internal guidelines for handling billing and invoicing processes. There may be specific procedures in place for handling such situations.
  
  
  Contact Support: If you are unsure about the steps to take or if the issue persists, consider reaching out to your SAP support team or a consultant who specializes in SAP FI/SD for further assistance.
  
  
  Related Information:
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  FB08: Reverse Document
  VF11: Cancel Billing Document
  FBL1N: Vendor Line Item Display (to check related invoices)
  
  
  
  SAP Notes: Check SAP Notes for any known issues or additional guidance related to this error message.
  
  
  User Authorizations: Ensure that you have the necessary authorizations to perform invoice reversals and related actions.
  
  
  Testing in Development: If possible, test the reversal process in a development or sandbox environment to understand the implications before executing it in the production environment.
  
  
  By following these steps, you should be able to address the FKKBIX2121 error and proceed with your billing processes in SAP.