How To Fix BK051 - This document is a reverse document

SAP Error Message - Details

• Message type: E = Error

• Message class: BK - Create, Display, Reverse Controlling Document

• Message number: 051

• Message text: This document is a reverse document

What causes this issue?

The document number entered is the number of a reversal document.
Reversal documents cannot be reversed repeatedly. These documents can
act as reference models only in certain cases.

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?

Consider carefully whether you want to use this document as a reference
for creating further documents.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message BK051 - This document is a reverse document ?

  The SAP error message BK051, which states "This document is a reverse document," typically occurs in the context of financial accounting when you are trying to post or process a document that has already been reversed. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Reverse Document: The document you are trying to process is a reversal of a previous document. In SAP, when a document is reversed, it is marked in the system, and any further attempts to process it as a normal document will trigger this error.
  Incorrect Document Type: You may be using the wrong document type or trying to perform an operation that is not allowed on a reversal document.
  System Configuration: There may be specific configurations in your SAP system that restrict certain actions on reversal documents.
  
  Solution:
  
  Check Document Status: Verify the status of the document you are trying to process. If it is indeed a reversal, you will need to handle it accordingly rather than trying to post it again.
  Use the Correct Transaction: If you need to reverse a document, ensure you are using the correct transaction code (e.g., FB08 for reversing a document) and follow the proper procedure for handling reversals.
  Review Document Flow: Check the document flow to understand the relationship between the original document and the reversal. This can help clarify why the error is occurring.
  Consult with SAP Support: If you believe the error is occurring incorrectly or if you need to perform an action that is being blocked, consult with your SAP support team or refer to SAP Notes for any known issues or patches related to this error.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FB03 (Display Document), FB08 (Reverse Document), and FBRA (Reset Cleared Items).
  SAP Documentation: Review SAP documentation or help files related to document management in Financial Accounting (FI) for more detailed guidance on handling reversal documents.
  User Authorizations: Ensure that you have the necessary authorizations to perform actions on financial documents, as restrictions may lead to errors.
  
  By understanding the nature of the error and following the appropriate steps, you can effectively address the issue related to the BK051 error message in SAP.