How To Fix /SAPAPO/OM_UPGRADE120 - Intern. numbers for classes/characteristics assigned in client &

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_UPGRADE -

• Message number: 120

• Message text: Intern. numbers for classes/characteristics assigned in client &

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.

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM_UPGRADE120 - Intern. numbers for classes/characteristics assigned in client & ?

  The SAP error message /SAPAPO/OM_UPGRADE120 typically indicates an issue related to the assignment of internal numbers for classes and characteristics in the SAP Advanced Planning and Optimization (APO) module. This error often arises during system upgrades or data migrations when there are inconsistencies or missing configurations in the classification system.
  Cause:
  
  Inconsistent Data: The error may occur if there are inconsistencies in the classification data, such as missing or incorrectly assigned internal numbers for classes or characteristics.
  Upgrade Issues: If the system has been recently upgraded, there may be legacy data that does not conform to the new structure or requirements of the upgraded system.
  Client-Specific Configuration: The error message indicates that the issue is specific to a particular client, which means that the configuration or data in that client may not be aligned with the expected standards.
  
  Solution:
  
  Check Configuration: Review the configuration of classes and characteristics in the affected client. Ensure that all classes and characteristics are correctly defined and assigned.
  Run Consistency Checks: Use transaction codes like CL02 (Change Class) or CL03 (Display Class) to check for inconsistencies in the classification data. You can also use transaction SCC4 to check client settings.
  Reassign Internal Numbers: If internal numbers are missing or incorrectly assigned, you may need to reassign them. This can often be done through the classification system in SAP.
  Use SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that resolve known issues related to this error message.
  Consult Documentation: Review the SAP documentation for APO and classification management to ensure that all necessary steps have been followed during the upgrade or migration process.
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. They can provide more specific guidance based on your system configuration and the details of the error.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CL01 (Create Class), CL02 (Change Class), and CL03 (Display Class) for managing classes and characteristics.
  SAP Notes: Regularly check for SAP Notes related to APO and classification issues, as these can provide fixes or workarounds for known problems.
  System Upgrade Documentation: Review the documentation provided by SAP for the specific version you are upgrading to, as it may contain important information about changes to the classification system.
  
  By following these steps, you should be able to identify and resolve the issue related to the /SAPAPO/OM_UPGRADE120 error message.