How To Fix /SAPAPO/OM_ERROR2151 - Matrix numbers no longer exist

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_ERROR2 -

• Message number: 151

• Message text: Matrix numbers no longer exist

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM_ERROR2151 - Matrix numbers no longer exist ?

  The SAP error message /SAPAPO/OM_ERROR2151 indicates that matrix numbers no longer exist in the system. This error typically occurs in the context of Advanced Planning and Optimization (APO) when trying to access or manipulate data related to matrix numbers that have been deleted or are no longer valid.
  Cause:
  
  Deletion of Matrix Numbers: The matrix numbers you are trying to access may have been deleted from the system.
  Data Consistency Issues: There may be inconsistencies in the data, possibly due to incomplete data migration or updates.
  Incorrect Configuration: The configuration settings in APO may not align with the current data structure, leading to references to non-existent matrix numbers.
  Transport Issues: If the matrix numbers were part of a transport request that did not complete successfully, this could lead to missing data.
  
  Solution:
  
  Check Matrix Number Existence: Verify if the matrix numbers you are trying to access still exist in the system. You can do this by checking the relevant tables or using transaction codes that display matrix numbers.
  Data Consistency Check: Run consistency checks in APO to identify and resolve any inconsistencies in the data. This may involve using transaction codes like /SAPAPO/OM_CNS for consistency checks.
  Recreate Matrix Numbers: If the matrix numbers were deleted and are still needed, you may need to recreate them based on the original data or configuration.
  Review Configuration: Ensure that the configuration settings in APO are correct and that they match the current data structure. This may involve checking settings in the APO system or consulting with your SAP Basis or configuration team.
  Transport Request Review: If the issue arose after a transport, review the transport logs to ensure that all necessary objects were transported correctly. If there were issues, you may need to re-transport the relevant objects.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in APO, such as /SAPAPO/OM_CNS for consistency checks and /SAPAPO/OM_MAT for matrix management.
  SAP Notes: Check for any SAP Notes related to this error message. SAP frequently releases notes that provide solutions or workarounds for known issues.
  Documentation: Review the SAP documentation for APO to understand how matrix numbers are used and managed within the system.
  Support: If the issue persists, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the context in which it occurs.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.