How To Fix /PM0/AB_IBC_CNFG_I_G128 - Multiple subordinate templates exist for product module &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/AB_IBC_CNFG_I_G -

• Message number: 128

• Message text: Multiple subordinate templates exist for product module &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PM0/AB_IBC_CNFG_I_G128 - Multiple subordinate templates exist for product module &1 ?

  The SAP error message /PM0/AB_IBC_CNFG_I_G128 indicates that there are multiple subordinate templates associated with a product module in the context of SAP's Advanced Planning and Optimization (APO) or Integrated Business Planning (IBP) systems. This situation typically arises when the system encounters ambiguity in determining which subordinate template to use for a specific product module.
  Cause:
  
  
  Multiple Templates: The primary cause of this error is the existence of multiple subordinate templates linked to the same product module. This can happen due to:
  
  Incorrect configuration or setup of templates.
  Duplication of templates in the system.
  Changes in the product structure that have not been properly reflected in the template configuration.
  
  
  
  Data Integrity Issues: There may be inconsistencies or errors in the master data that lead to multiple templates being assigned to a single product module.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify the Templates:
  
  Use transaction codes like /PM0/AB_IBC_CNFG or relevant reporting tools to list all subordinate templates associated with the product module in question.
  Check the configuration settings for the product module to see which templates are currently assigned.
  
  
  
  Review and Clean Up:
  
  Determine which subordinate templates are valid and necessary for the product module.
  Remove or deactivate any duplicate or unnecessary templates to ensure that only one subordinate template is linked to the product module.
  
  
  
  Adjust Configuration:
  
  If the templates are required for different scenarios, consider restructuring the product module or creating a new product module to avoid conflicts.
  Ensure that the configuration aligns with business requirements and that there is a clear hierarchy of templates.
  
  
  
  Test Changes:
  
  After making adjustments, test the configuration to ensure that the error no longer occurs and that the system behaves as expected.
  
  
  
  Documentation:
  
  Document any changes made to the templates and configurations for future reference and to maintain data integrity.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or patches related to this error.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have implemented.
  Training and Documentation: Ensure that users involved in template configuration are adequately trained and that documentation is up to date to prevent similar issues in the future.
  
  By following these steps, you should be able to resolve the error and ensure that your product module is correctly configured with a single subordinate template.