How To Fix /SAPAPO/SCMB_PSTRU122 - Basis planning object structure of active POS &1 must not be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/SCMB_PSTRU -

• Message number: 122

• Message text: Basis planning object structure of active POS &1 must not be changed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/SCMB_PSTRU122 - Basis planning object structure of active POS &1 must not be changed ?

  The SAP error message /SAPAPO/SCMB_PSTRU122 indicates that there is an attempt to change the basis planning object structure of an active Planning Object Structure (POS) in SAP Advanced Planning and Optimization (APO). This error typically arises when you try to modify a POS that is currently in use, which is not allowed because it can lead to inconsistencies in the planning data.
  Cause:
  
  Active Planning Object Structure: The POS you are trying to modify is currently active and being used in planning processes.
  System Restrictions: SAP has built-in restrictions to prevent changes to active structures to maintain data integrity and consistency.
  Configuration Changes: Changes to the configuration of the POS, such as adding or removing characteristics, can trigger this error if the POS is active.
  
  Solution:
  
  Deactivate the POS: If you need to make changes to the POS, you must first deactivate it. This can typically be done in the SAP APO system by navigating to the relevant configuration area and deactivating the POS.
  Check Dependencies: Before deactivating, ensure that there are no ongoing processes or dependencies that would be affected by this change.
  Make Necessary Changes: Once the POS is deactivated, you can proceed to make the necessary changes to the structure.
  Reactivate the POS: After making the changes, reactivate the POS to ensure it is available for planning again.
  Testing: After reactivation, conduct thorough testing to ensure that the changes have not adversely affected any planning processes.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like /SAPAPO/OM17 (for managing planning object structures) to access and modify the POS.
  Documentation: Refer to SAP documentation for detailed steps on managing planning object structures and understanding the implications of changes.
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or updates related to this error message.
  Consulting SAP Support: If you are unsure about the implications of deactivating a POS or if the error persists, consider reaching out to SAP support or consulting with an SAP APO expert.
  
  By following these steps, you should be able to resolve the error and make the necessary changes to your planning object structure.