How To Fix AAPO154 - Combination not allowed: 'new asset and asset number'

SAP Error Message - Details

• Message type: E = Error

• Message class: AAPO - Asset Accounting - Posting

• Message number: 154

• Message text: Combination not allowed: 'new asset and asset number'

What causes this issue?

You selected the 'new asset' option. However, at the same time you also
entered an asset number for the acquisition posting. This combination
is not allowed.

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?

Select the option 'exist. asset' or delete the asset number you
entered.

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 AAPO154 - Combination not allowed: 'new asset and asset number' ?

  The SAP error message AAPO154, which states "Combination not allowed: 'new asset and asset number'," typically occurs during asset accounting transactions, particularly when trying to create or modify asset master records or during asset transactions like acquisitions or transfers.
  Cause:
  This error usually arises due to one of the following reasons:
  
  Inconsistent Data: The system is trying to create a new asset with an asset number that already exists or is not allowed in the current context.
  Configuration Issues: The configuration settings in the asset accounting module may not allow the combination of a new asset and the specified asset number.
  Transaction Type Restrictions: Certain transaction types may have restrictions on how assets can be created or modified, leading to this error.
  Missing Authorizations: The user may not have the necessary authorizations to create or modify assets in the specified manner.
  
  Solution:
  To resolve the AAPO154 error, you can take the following steps:
  
  Check Asset Number: Ensure that the asset number you are trying to use is not already assigned to another asset. If it is, you may need to use a different asset number.
  Review Configuration: Check the configuration settings in the Asset Accounting module (transaction code OAOA) to ensure that the settings allow for the creation of new assets with the specified parameters.
  Transaction Type: Verify the transaction type you are using. Ensure that it is appropriate for the action you are trying to perform (e.g., acquisition, transfer, etc.).
  User Authorizations: Confirm that the user has the necessary authorizations to create or modify assets. This can be checked with your SAP security team.
  Consult Documentation: Review SAP documentation or notes related to asset accounting for any specific guidelines or restrictions that may apply to your scenario.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as AS01 (Create Asset), AS02 (Change Asset), and AS03 (Display Asset) to understand where the error might be occurring.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for AAPO154 in the SAP Support Portal.
  Debugging: If you have access to debugging tools, you can analyze the program logic to identify where the error is being triggered.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant specializing in Asset Accounting for further assistance.