How To Fix /SAPAPO/OM_ERROR2090 - Redundant table entry

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_ERROR2 -

• Message number: 090

• Message text: Redundant table entry

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM_ERROR2090 - Redundant table entry ?

  The SAP error message /SAPAPO/OM_ERROR2090 indicates a "Redundant table entry" in the context of SAP Advanced Planning and Optimization (APO). This error typically arises when there are duplicate entries in a table that should contain unique values, which can lead to inconsistencies in planning and execution processes.
  Cause:
  
  Duplicate Entries: The most common cause of this error is the presence of duplicate entries in a master data table, such as the product master, location master, or any other relevant APO master data.
  Data Migration Issues: If data has been migrated from another system or if there have been recent changes to the master data, it may lead to duplicates.
  Incorrect Configuration: Misconfiguration in the system settings or data model can also lead to redundant entries.
  
  Solution:
  
  Identify Duplicates: Use transaction codes like /SAPAPO/OM17 (for checking master data) or relevant queries to identify the duplicate entries in the affected table.
  Data Cleanup: Once duplicates are identified, you can either delete or merge the redundant entries based on business rules and requirements.
  Check Data Consistency: After cleaning up the data, run consistency checks to ensure that the remaining entries are valid and that there are no further duplicates.
  Review Data Migration Processes: If the issue arose from a data migration, review the migration process to ensure that it includes checks for duplicates.
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of APO you are using for any additional guidance or known issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes for managing master data in APO, such as /SAPAPO/OM17, /SAPAPO/OM14, etc.
  SAP Notes: Check SAP Notes for any patches or updates that may address this specific error or related issues.
  Support: If the issue persists after attempting the above solutions, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to resolve the /SAPAPO/OM_ERROR2090 Redundant table entry error effectively.