Message type: E = Error
Message class:  HRPAYUALOG - Messages for HUACALC0 logging 
Message number: 020
Message text: Seniority with subtype &1 is changed in period &2-&3
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The SAP error message HRPAYUALOG020 typically relates to issues in the payroll processing of employee seniority records. This error indicates that there has been a change in the seniority status of an employee for a specific period, which may not align with the expected data in the payroll system.
Cause: Data Inconsistency: The error often arises when there is a mismatch between the seniority data in the infotype (usually IT 0006 - Addresses or IT 0008 - Basic Pay) and the payroll results for the specified period. Changes in Seniority: If an employee's seniority status has been updated (e.g., due to a promotion, change in job role, or other HR actions) during the payroll period, it can trigger this error. Incorrect Configuration: There may be issues with the configuration of the seniority rules in the payroll schema or related infotypes.
Solution: Review Changes: Check the changes made to the employee's seniority records in the specified period.
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