How To Fix IAOM225 - Derivation of account assignment/clearing account: Ref. object missing

SAP Error Message - Details

• Message type: E = Error

• Message class: IAOM - Account Assignment Manager Messages

• Message number: 225

• Message text: Derivation of account assignment/clearing account: Ref. object missing

What causes this issue?

No reference object was entered. The reference usage 'Copy and Create
Account Assignment' requires a reference object from which the account
assignment can be copied.

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?

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 IAOM225 - Derivation of account assignment/clearing account: Ref. object missing ?

  The SAP error message IAOM225, which states "Derivation of account assignment/clearing account: Ref. object missing," typically occurs in the context of account assignment in Asset Accounting (FI-AA) or during the posting of transactions related to fixed assets. This error indicates that the system is unable to derive the necessary account assignment or clearing account because a reference object is missing.
  Cause:
  
  Missing Reference Object: The error usually arises when the system cannot find a reference object (like a cost center, internal order, or project) that is required for the account assignment derivation.
  Configuration Issues: There may be issues in the configuration of the account assignment derivation rules in the system.
  Incomplete Master Data: The master data for the asset or the related objects may not be fully maintained, leading to missing references.
  Transaction Type: The transaction type being used may not be correctly configured to derive the necessary account assignments.
  
  Solution:
  
  Check Master Data: Ensure that all relevant master data (such as cost centers, internal orders, or projects) is correctly maintained and that the reference objects are available.
  Review Configuration: 
  
  Go to the configuration settings for account assignment derivation in the Asset Accounting module.
  Check the settings for the relevant transaction types and ensure that the derivation rules are correctly defined.
  
  
  Transaction Type Settings: Verify that the transaction type you are using is set up to derive the necessary account assignments. You may need to adjust the settings in the configuration.
  Test with Different Scenarios: If possible, try posting the transaction with different reference objects to see if the issue persists. This can help identify if the problem is specific to certain objects.
  Consult Documentation: Review SAP documentation or notes related to the error message for any specific guidance or updates that may address the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for the error message number or related keywords in the SAP Support Portal.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as AS01 (Create Asset), AS02 (Change Asset), and AS03 (Display Asset) to check asset details and related account assignments.
  Debugging: If you have access to debugging tools, you can analyze the program flow to identify where the reference object is being checked and why it is missing.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in Asset Accounting for further assistance.