How To Fix FSH_MM_COMMON049 - Entries exist with the same key

SAP Error Message - Details

• Message type: E = Error

• Message class: FSH_MM_COMMON -

• Message number: 049

• Message text: Entries exist with the same key

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FSH_MM_COMMON049 - Entries exist with the same key ?

  The SAP error message FSH_MM_COMMON049 indicates that there are duplicate entries in the system that share the same key. This typically occurs in the context of master data management, particularly when dealing with materials, vendors, or other entities that require unique identifiers.
  Cause:
  The error is usually caused by one of the following scenarios:
  
  Duplicate Master Data Entries: There are multiple entries in the database that have the same key fields (e.g., material number, vendor number).
  Data Migration Issues: During data migration or upload processes, duplicate records may have been introduced.
  Incorrect Configuration: The system may be incorrectly configured to allow duplicate entries in a context where they should be unique.
  
  Solution:
  To resolve the FSH_MM_COMMON049 error, you can take the following steps:
  
  
  Identify Duplicate Entries:
  
  Use transaction codes like SE16 or SE11 to access the relevant database tables (e.g., MARA for material master) and search for entries with the same key.
  You can also use reports or queries to identify duplicates.
  
  
  
  Delete or Merge Duplicates:
  
  Once identified, you can either delete the duplicate entries if they are not needed or merge them if they contain relevant data that should be consolidated.
  Ensure that you have proper backups and authorization before making changes to the database.
  
  
  
  Check Data Upload Processes:
  
  If the duplicates were introduced during a data upload, review the upload process to ensure that it includes checks for existing records before inserting new ones.
  Implement validation rules to prevent duplicates in future uploads.
  
  
  
  Review Configuration Settings:
  
  Check the configuration settings in the relevant modules (e.g., Material Management) to ensure that they are set up to enforce uniqueness where required.
  
  
  
  Consult Documentation or Support:
  
  If the issue persists, consult SAP documentation or reach out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: SE16 (Data Browser), SE11 (Data Dictionary), MM01 (Create Material), MM02 (Change Material).
  Tables to Check: MARA (General Material Data), MAST (Material to BOM Link), LFA1 (Vendor Master).
  Best Practices: Regularly audit master data for duplicates, implement data governance policies, and use tools for data cleansing.
  
  By following these steps, you should be able to resolve the FSH_MM_COMMON049 error and prevent it from occurring in the future.