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

FKKINV456 - Overview

• 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

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FKKINV456 - Details

• 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