Message type: E = Error
Message class:  HRPAYAT_ELDA - Messages for ELDA File Creation 
Message number: 023
Message text: Data medium number &1 already exists in &2
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The SAP error message HRPAYAT_ELDA023 indicates that there is a conflict with a data medium number that already exists in the specified context (usually a file or database). This error typically arises in the context of payroll processing or data medium exchange, where unique identifiers are required for data records.
Cause: The error occurs when you attempt to create or process a data medium (like a payroll file) with a number that has already been assigned to another record in the system. This can happen due to: Duplicate entries in the payroll processing. Incorrect configuration or settings in the payroll or data medium exchange process. A previous run that did not complete successfully, leaving behind an incomplete or locked entry.
Solution: To resolve this error, you can take the following steps: Check Existing Data Medium Numbers: Use transaction codes like PC00_MXX_DM (where MXX is your country-specific payroll) to check existing data medium numbers. Look for the specific data medium number
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