How To Fix FDM_MIRROR074 - Tab. FDM_COMP_MIRROR: external key (&1, &2, &3) is present more than once

SAP Error Message - Details

• Message type: E = Error

• Message class: FDM_MIRROR - Mirror System Messages

• Message number: 074

• Message text: Tab. FDM_COMP_MIRROR: external key (&1, &2, &3) is present more than once

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDM_MIRROR074 - Tab. FDM_COMP_MIRROR: external key (&1, &2, &3) is present more than once ?

  The SAP error message FDM_MIRROR074 indicates that there is a duplicate entry for an external key in the table FDM_COMP_MIRROR. This typically occurs in the context of Financial Data Management (FDM) when the system detects that the same external key (which could be a combination of fields like company code, document number, etc.) is present more than once in the specified table.
  Cause:
  
  
  Data Duplication: The most common cause of this error is that the data being processed contains duplicate entries for the specified external key. This could happen due to:
  
  Incorrect data uploads or imports.
  Data being processed from multiple sources that have overlapping keys.
  Manual data entry errors.
  
  
  
  Configuration Issues: There may be issues with the configuration of the FDM system that allow for duplicate entries to be created.
  
  
  Solution:
  
  
  Identify Duplicates:
  
  Use SQL queries or SAP transaction codes (like SE16 or SE11) to check the FDM_COMP_MIRROR table for duplicate entries based on the external key.
  You can run a query to count occurrences of the external key to identify duplicates.
  
  
  
  Data Cleanup:
  
  Once duplicates are identified, you will need to decide how to handle them. This could involve:
  
  Deleting the duplicate entries if they are not needed.
  Merging the data if applicable.
  Correcting the source data to prevent future duplicates.
  
  
  
  
  
  Review Data Upload Processes:
  
  If the duplicates are a result of data uploads, review the processes and ensure that checks are in place to prevent duplicates from being uploaded in the first place.
  
  
  
  Check Configuration:
  
  Review the configuration settings in FDM to ensure that they are set up correctly to handle external keys and prevent duplicates.
  
  
  
  Testing:
  
  After making changes, test the data processing again to ensure that the error does not reoccur.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance on handling duplicates in FDM.
  Documentation: Review the SAP documentation for FDM to understand how external keys are defined and managed.
  Support: If the issue persists after attempting the above solutions, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to resolve the FDM_MIRROR074 error and prevent it from occurring in the future.