How To Fix MPE_OAN067 - Internal element number &1 is not unique within OAN &2

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_OAN - Operation Activity Network Messages

• Message number: 067

• Message text: Internal element number &1 is not unique within OAN &2

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_OAN067 - Internal element number &1 is not unique within OAN &2 ?

  The SAP error message MPE_OAN067 indicates that there is a problem with the uniqueness of internal element numbers within an Object Assignment Number (OAN). This typically occurs in the context of asset accounting or similar modules where internal elements are assigned to specific objects.
  Cause:
  The error arises when the system detects that the internal element number specified (denoted as &1 in the error message) is not unique within the specified Object Assignment Number (denoted as &2). This can happen due to:
  
  Data Entry Errors: Duplicate entries may have been created inadvertently during data entry.
  Data Migration Issues: If data was migrated from another system, it may have resulted in duplicate internal element numbers.
  Configuration Issues: Incorrect configuration settings in the asset accounting module may lead to this error.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check for Duplicates:
  
  Use transaction codes like AS03 (Display Asset) or AW01N (Asset Explorer) to check the asset and its internal elements.
  Look for any duplicate internal element numbers associated with the same OAN.
  
  
  
  Correct Data:
  
  If duplicates are found, you will need to correct the data. This may involve deleting or modifying the duplicate entries to ensure that each internal element number is unique within the OAN.
  
  
  
  Review Migration Processes:
  
  If the issue arose after a data migration, review the migration process to ensure that it correctly handled unique constraints.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to asset accounting and internal elements for any specific guidelines or known issues.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot identify the cause, consider reaching out to SAP support for further assistance. They may provide patches or additional insights into the problem.
  
  
  
  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 updates or fixes related to this error message. You can search for the error message or related keywords in the SAP Support Portal.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify and resolve the issue causing the MPE_OAN067 error in your SAP system.