Message type: E = Error
Message class:  HRPAYNLLA - Notifications for Wage Return NL 
Message number: 100
Message text: Inconsistent income period; period &1/&2, perno &3, RePer &4
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The SAP error message HRPAYNLLA100 indicates that there is an inconsistency in the income period for a specific employee (identified by the personnel number) in the payroll process. This error typically arises during payroll processing when the system detects discrepancies in the income data for the specified period.
Cause: Inconsistent Data: The income data for the specified period (e.g., period &1/&2) may not match the expected values or formats. This could be due to incorrect entries in the payroll master data or infotype records. Missing or Incorrect Infotypes: Required infotypes (like IT0008 for basic pay) may be missing or incorrectly maintained for the employee. Payroll Control Record Issues: The payroll control record may not be set up correctly for the specified period. Retroactive Accounting: If there are changes made to the employee's data that affect previous payroll periods, it can lead to inconsistencies. Time Management Issues: If time data is not correctly recorded or processed, it
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