How To Fix AA399 - You cannot post reversal

SAP Error Message - Details

• Message type: E = Error

• Message class: AA - Messages for Asset Accounting

• Message number: 399

• Message text: You cannot post reversal

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 AA399 - You cannot post reversal ?

  The SAP error message AA399 ("You cannot post reversal") typically occurs in the context of Asset Accounting (FI-AA) when attempting to reverse a transaction that is not eligible for reversal. This can happen for several reasons, and understanding the cause is essential for finding a solution.
  Causes of AA399 Error
  
  
  Transaction Type Restrictions: Certain transaction types in Asset Accounting may not allow reversals. For example, if the original transaction was a transfer or a sale, it might not be reversible.
  
  
  Posting Period Issues: If the posting period for the original transaction is closed, you may not be able to reverse it. SAP restricts reversals in closed periods to maintain data integrity.
  
  
  Asset Status: The asset may be in a status that does not allow for reversals, such as being retired or fully depreciated.
  
  
  Document Type Restrictions: Some document types may have specific settings that prevent reversals.
  
  
  Configuration Settings: The configuration settings in the Asset Accounting module may restrict reversals for certain types of transactions.
  
  
  Solutions to AA399 Error
  
  
  Check Transaction Type: Verify the transaction type of the original posting. If it is not eligible for reversal, you may need to make a manual adjustment instead.
  
  
  Open Posting Period: Ensure that the posting period for the original transaction is open. If it is closed, you may need to open the period temporarily (if allowed by your organization's policies) to perform the reversal.
  
  
  Asset Status Review: Check the status of the asset. If the asset is retired or fully depreciated, you may need to create a new transaction to adjust the asset's value instead of reversing.
  
  
  Document Type Configuration: Review the configuration of the document type used for the original posting. If it is set to disallow reversals, you may need to consult with your SAP administrator or configuration team.
  
  
  Manual Adjustment: If reversal is not possible, consider making a manual adjustment to correct the asset's value or status.
  
  
  Consult Documentation: Refer to SAP documentation or your organization's internal guidelines for handling asset transactions and reversals.
  
  
  Related Information
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as AS02 (Change Asset), AS03 (Display Asset), and others that may help in managing asset transactions.
  User Authorization: Ensure that you have the necessary authorizations to perform reversals or adjustments in Asset Accounting.
  
  If the issue persists after checking these factors, it may be beneficial to consult with your SAP support team or a functional consultant specializing in Asset Accounting for further assistance.