How To Fix FDM_MIRROR129 - System &1 does not manage either customer master data A or B segment

SAP Error Message - Details

• Message type: E = Error

• Message class: FDM_MIRROR - Mirror System Messages

• Message number: 129

• Message text: System &1 does not manage either customer master data A or B segment

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDM_MIRROR129 - System &1 does not manage either customer master data A or B segment ?

  The SAP error message FDM_MIRROR129 indicates that the system is unable to manage the customer master data for the specified segments (A or B) in the context of the Financial Data Management (FDM) module. This error typically arises when there is a mismatch or misconfiguration in the customer master data setup.
  Cause:
  
  Configuration Issues: The system may not be properly configured to handle customer master data for the specified segments. This could be due to missing settings in the customer master data configuration.
  Data Segmentation: The customer master data may not be segmented correctly, leading to the system not recognizing the segments A or B.
  Missing Data: The required data for the customer master may be incomplete or missing, preventing the system from processing it correctly.
  System Settings: The system settings for the specific client or company code may not be set up to manage customer master data.
  
  Solution:
  
  Check Configuration: Review the configuration settings for customer master data in the SAP system. Ensure that the segments A and B are correctly defined and that the system is set up to manage them.
  Data Validation: Validate the customer master data to ensure that all required fields and segments are populated correctly. You can use transaction codes like XD01 (Create Customer) or XD02 (Change Customer) to check the data.
  Review System Settings: Check the system settings for the specific client or company code to ensure that they are configured to manage customer master data.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on managing customer master data and resolving related errors.
  Contact Support: If the issue persists, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as XD01, XD02, XD03 for managing customer master data.
  SAP Notes: Search for SAP Notes related to FDM and customer master data management for any known issues or patches.
  User Roles: Ensure that the user has the appropriate roles and authorizations to manage customer master data.
  Testing: After making changes, conduct tests to ensure that the error is resolved and that the customer master data is being processed correctly.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.