How To Fix /SAPAPO/OM_ERROR2090 - Redundant table entry

/SAPAPO/OM_ERROR2090 - Overview

• Message type: E = Error

• Message class: /SAPAPO/OM_ERROR2 -

• Message number: 090

• Message text: Redundant table entry

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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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