How To Fix MPE_OAN062 - OAN does not exist: Invalid predecessor value &1

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_OAN - Operation Activity Network Messages

• Message number: 062

• Message text: OAN does not exist: Invalid predecessor value &1

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_OAN062 - OAN does not exist: Invalid predecessor value &1 ?

  The SAP error message MPE_OAN062 with the description "OAN does not exist: Invalid predecessor value &1" typically occurs in the context of Asset Accounting (FI-AA) when there is an issue with the predecessor asset in a transaction related to asset management. This error indicates that the system is unable to find a valid predecessor asset based on the value provided.
  Cause:
  
  Invalid Predecessor Asset: The predecessor asset number provided in the transaction does not exist in the system. This could be due to a typo, or the asset may have been deleted or not created.
  Incorrect Configuration: The asset master data may not be properly configured, or the predecessor relationship may not be set up correctly.
  Data Migration Issues: If data was migrated from another system, there may be inconsistencies or missing records in the asset master data.
  Authorization Issues: The user may not have the necessary authorizations to view or access the predecessor asset.
  
  Solution:
  
  Verify Predecessor Asset: Check the asset number provided in the transaction. Ensure that it is correct and exists in the system. You can do this by navigating to the Asset Master Data (Transaction code: AS03) and entering the asset number to see if it is valid.
  Check Asset Configuration: Review the configuration of the asset master data to ensure that the predecessor relationship is correctly set up. This includes checking the asset class and any related settings.
  Data Consistency Check: If the error occurred after a data migration, perform a consistency check on the asset master data to identify any discrepancies or missing records.
  User Authorizations: Ensure that the user executing the transaction has the necessary authorizations to access the predecessor asset. This may involve checking user roles and permissions in the SAP system.
  Consult Documentation: Refer to SAP documentation or help resources for additional guidance on handling asset-related errors.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as AS01 (Create Asset), AS02 (Change Asset), and AS03 (Display Asset) for managing asset data.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide specific solutions or workarounds.
  Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with SAP support for further assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.