How To Fix AAPO156 - Reversing the transaction not possible (differing logical systems)

SAP Error Message - Details

• Message type: E = Error

• Message class: AAPO - Asset Accounting - Posting

• Message number: 156

• Message text: Reversing the transaction not possible (differing logical systems)

What causes this issue?

The transaction you want to reverse was initially entered in logical
system &V1&, not in the current logical system &V2&.

System Response

Reversal is rejected.

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AAPO156 - Reversing the transaction not possible (differing logical systems) ?

  The SAP error message AAPO156, which states "Reversing the transaction not possible (differing logical systems)," typically occurs when you attempt to reverse a transaction in SAP that was posted in a different logical system than the one you are currently using. This situation often arises in environments where multiple SAP systems are integrated, such as in a landscape with development, testing, and production systems.
  Cause:
  
  Different Logical Systems: The transaction you are trying to reverse was posted in a different logical system (e.g., a different client or a different SAP instance).
  Cross-Client Transactions: If the original transaction was executed in a different client or system, the reversal cannot be processed in the current client/system.
  Configuration Issues: There may be configuration settings that restrict reversing transactions across different logical systems.
  
  Solution:
  
  Identify the Logical Systems: Check the logical system of the original transaction. You can do this by reviewing the transaction history or logs.
  Reversal in the Correct System: If the original transaction was posted in a different logical system, you need to perform the reversal in that same logical system.
  Manual Adjustment: If it is not possible to reverse the transaction in the original system, you may need to manually adjust the entries or create a new transaction to correct the financial records.
  Consult with Basis Team: If you are unsure about the logical systems or how to proceed, consult with your SAP Basis team or system administrator for assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FB08 (for reversing accounting documents) and FBRA (for reversing documents with clearing).
  Documentation: Review SAP documentation or notes related to cross-client transactions and logical systems for more detailed guidance.
  SAP Notes: Check for any SAP Notes that may address this specific error or provide additional context or solutions.
  Testing Environment: If you are working in a testing environment, ensure that you are using the correct logical system for your testing scenarios.
  
  By following these steps, you should be able to address the AAPO156 error and successfully manage your transaction reversals in SAP.