How To Fix FKKINV431 - Reversal request already exists for billing document &2

FKKINV431 - Overview

• Message type: E = Error

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

• Message number: 431

• Message text: Reversal request already exists for billing document &2

What causes this issue?

In reversal task &v1&, there is already a reversal request for invoicing
document &v2&.

System Response

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

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

FKKINV431 - Details

• The SAP error message FKKINV431 indicates that there is already a reversal request for the specified billing document (denoted by &2). This typically occurs in the context of billing and invoicing processes within the SAP system, particularly in the Contract Accounts Receivable and Payable (FI-CA) module.
  
  Cause:
  The error arises when a user attempts to create a reversal request for a billing document that has already been marked for reversal. This can happen due to:
  
  A previous attempt to reverse the same billing document was made and is still pending or not yet processed.
  The billing document has already been reversed, and the system does not allow a second reversal request for the same document.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Reversal Requests:
  
  Use transaction codes like FPL9 (Display Reversal Requests) or FPL1 (Create Reversal Request) to check if there is an existing reversal request for the billing document in question.
  If