How To Fix /ISDFPS/MM838 - &2 data records determined for &1 key-field combination

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/MM -

• Message number: 838

• Message text: &2 data records determined for &1 key-field combination

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /ISDFPS/MM838 - &2 data records determined for &1 key-field combination ?

  The SAP error message /ISDFPS/MM838 &2 data records determined for &1 key-field combination typically occurs in the context of the SAP IS-DFPS (Industry Solution for Defense Forces and Security) module. This error indicates that the system has found multiple data records for a specific key-field combination, which is not expected in the context of the operation being performed.
  Cause:
  
  Duplicate Records: The primary cause of this error is the existence of multiple records in the database that match the specified key-field combination. This can happen due to data entry errors, incorrect data migration, or system inconsistencies.
  Configuration Issues: There may be issues with the configuration of the data model or the way the key fields are defined, leading to ambiguity in record selection.
  Data Integrity Issues: The underlying data may not adhere to the expected integrity constraints, resulting in multiple records being returned when only one is expected.
  
  Solution:
  
  Identify Duplicate Records: Use transaction codes like SE16 or SE11 to query the relevant database table and identify the duplicate records for the specified key-field combination.
  Data Cleanup: Once duplicates are identified, you may need to delete or merge the duplicate records to ensure that only one valid record exists for each key-field combination.
  Review Configuration: Check the configuration settings related to the data model and key fields to ensure they are set up correctly. This may involve reviewing customizing settings in the IS-DFPS module.
  Data Validation: Implement data validation checks to prevent the entry of duplicate records in the future. This could involve setting up unique constraints in the database or implementing checks in the user interface.
  Consult Documentation: Review SAP documentation or notes related to the specific error message for any additional guidance or patches that may address the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE16 (Data Browser), SE11 (Data Dictionary), and others that can help you analyze the data.
  SAP Notes: Check the SAP Support Portal for any notes related to this error message, as there may be specific patches or updates that address known issues.
  Testing: After making changes, conduct thorough testing to ensure that the issue is resolved and that no new issues have been introduced.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.