Message type: E = Error
Message class:  HRPADRULSC - Messages for Legal structure consistency checker 
Message number: 021
Message text: Grouping value by reason &3 of the &1 &2 object has changed
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The SAP error message HRPADRULSC021 typically occurs in the context of HR (Human Resources) and payroll processing. This message indicates that the grouping value for a specific reason has changed for a particular object, which can lead to inconsistencies or issues in payroll calculations or reporting.
Cause: The error is usually triggered when: Data Changes: There have been changes in the underlying data related to the employee's payroll or personnel information. This could include changes in pay scale, job classification, or other relevant attributes. Configuration Changes: Changes in the configuration settings for payroll processing or grouping values in the system can also lead to this error. Master Data Issues: Inconsistencies in master data (like infotypes) related to the employee can cause this error to appear.
Solution: To resolve the HRPADRULSC021 error, you can take the following steps: Check the Change Log: Review the change log for the employee's master data to identify what changes were made that could
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