How To Fix HRESS019 - Key &1 cannot be duplicated

SAP Error Message - Details

• Message type: E = Error

• Message class: HRESS - HRESS

• Message number: 019

• Message text: Key &1 cannot be duplicated

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message HRESS019 - Key &1 cannot be duplicated ?

  The SAP error message HRESS019, which states "Key &1 cannot be duplicated," typically occurs in the context of employee data management within the SAP Human Resources (HR) module. This error indicates that there is an attempt to create or modify a record (such as an employee record) that would result in a duplicate key violation. The "key" in this context usually refers to a unique identifier for an employee or a specific HR record.
  Causes:
  
  Duplicate Employee ID: The most common cause is that the system is trying to create a new employee record with an ID that already exists in the database.
  Duplicate Data Entry: If you are trying to enter data that should be unique (like a social security number, employee number, etc.), and that data already exists, this error can occur.
  Incorrect Data Migration: If data has been migrated from another system, there may be duplicates that were not properly handled.
  Configuration Issues: There may be issues with the configuration of the HR module that are causing the system to misinterpret the uniqueness of certain fields.
  
  Solutions:
  
  Check for Existing Records: Before creating a new employee record, check the database to ensure that the employee ID or other unique identifiers do not already exist.
  Modify Existing Records: If you find that the record already exists, consider modifying the existing record instead of creating a new one.
  Data Cleanup: If duplicates are found in the system, you may need to clean up the data to remove or merge duplicate entries.
  Review Data Migration Processes: If the error arose after a data migration, review the migration process to ensure that unique constraints were respected.
  Consult Configuration Settings: Review the configuration settings in the HR module to ensure that the uniqueness constraints are set up correctly.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like PA30 (Maintain HR Master Data) to check existing records.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Authorization Issues: Ensure that you have the necessary authorizations to create or modify employee records.
  Debugging: If the issue persists, consider debugging the process to identify where the duplication check is failing.
  
  If the problem continues after trying the above solutions, it may be beneficial to consult with your SAP support team or refer to SAP documentation for further assistance.