How To Fix AAPO164 - Internal error: Asset &1 is not in AMBU buffer

SAP Error Message - Details

• Message type: E = Error

• Message class: AAPO - Asset Accounting - Posting

• Message number: 164

• Message text: Internal error: Asset &1 is not in AMBU buffer

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 AAPO164 - Internal error: Asset &1 is not in AMBU buffer ?

  The SAP error message AAPO164, which states "Internal error: Asset &1 is not in AMBU buffer," typically occurs in the Asset Accounting (FI-AA) module. This error indicates that the system is trying to access an asset that is not currently loaded in the AMBU (Asset Management Buffer) memory. This can happen for various reasons, including issues with data consistency, buffer management, or system performance.
  Causes:
  
  Buffer Management Issues: The asset may not be loaded into the AMBU due to buffer management problems or if the asset was recently created or modified.
  Data Consistency: There may be inconsistencies in the asset data, possibly due to incomplete transactions or errors during asset creation or modification.
  System Performance: High system load or performance issues may prevent the asset from being loaded into the buffer.
  Transaction Errors: The error may occur during specific transactions that require the asset to be in the buffer but are unable to find it.
  
  Solutions:
  
  Refresh the Buffer: You can try to refresh the AMBU buffer. This can often be done by executing a transaction that accesses the asset, which may force the system to reload the asset into the buffer.
  Check Asset Data: Verify the asset data for any inconsistencies or errors. Ensure that all required fields are filled out correctly and that the asset is properly configured.
  Recreate the Asset: If the asset is newly created and the error persists, consider deleting and recreating the asset to ensure it is properly registered in the system.
  System Performance Check: Monitor system performance and check for any issues that may be affecting the loading of assets into the buffer. This may involve checking system logs or consulting with your IT department.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve known issues related to this error message.
  Consult SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including the asset number and the context in which the error occurs.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in Asset Accounting, such as AS01 (Create Asset), AS02 (Change Asset), and AS03 (Display Asset).
  SAP Documentation: Review SAP documentation related to Asset Accounting for best practices and troubleshooting tips.
  User Forums: Engage with SAP user forums or communities where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to diagnose and potentially resolve the AAPO164 error in SAP.