How To Fix FKKINV456 - Billing document &1 is simulated and cannot be reversed

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 456

• Message text: Billing document &1 is simulated and cannot be reversed

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FKKINV456 - Billing document &1 is simulated and cannot be reversed ?

  The SAP error message FKKINV456 indicates that a billing document is in a simulated state and cannot be reversed. This typically occurs in the context of SAP Convergent Charging or SAP Contract Accounts Receivable and Payable (FI-CA) when trying to reverse a billing document that has not been finalized or posted.
  Cause:
  
  Simulated Billing Document: The billing document you are trying to reverse is in a simulated state, meaning it has not been fully processed or posted to the financial accounting.
  Incorrect Document Status: The document may be in a status that does not allow for reversal, such as being in a draft or simulation mode.
  System Configuration: There may be specific configurations or settings in the system that prevent the reversal of simulated documents.
  
  Solution:
  
  Check Document Status: Verify the status of the billing document. If it is in a simulated state, you may need to finalize or post the document before attempting to reverse it.
  Post the Document: If the document is meant to be finalized, ensure that it is posted correctly. You can do this by navigating to the appropriate transaction for posting billing documents.
  Use Correct Transaction: Ensure you are using the correct transaction code for reversing billing documents. For example, use transaction code FB08 for reversing posted documents, but ensure the document is not in a simulated state.
  Consult Documentation: Review SAP documentation or help files related to billing and document processing to understand the specific requirements for reversing documents.
  Contact Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FBL5N (Customer Line Item Display) or FB03 (Display Document) to check the status of the billing document.
  SAP Notes: Look for SAP Notes related to billing document processing and reversal for any known issues or patches that may address your situation.
  User Authorization: Ensure that you have the necessary authorizations to perform billing document reversals in your SAP system.
  
  By following these steps, you should be able to address the FKKINV456 error and successfully manage your billing documents.