Message type: E = Error
Message class:  HRPAYSI_COR - Message class for payroll function SICOR 
Message number: 003
Message text: Mismatch in buffered PERNR in COVID functionality
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The SAP error message HRPAYSI_COR003, which indicates a "Mismatch in buffered PERNR in COVID functionality," typically arises in the context of payroll processing, particularly when dealing with COVID-related functionalities in SAP HR (Human Resources) and Payroll modules. This error suggests that there is a discrepancy in the personnel number (PERNR) that is being processed, which can lead to issues in payroll calculations or reporting. Causes: Data Inconsistency: The error may occur if there are inconsistencies in the personnel data, such as changes made to the employee's records that have not been properly updated in the payroll buffer. Buffer Issues: The payroll system uses buffers to optimize performance. If the buffer contains outdated or incorrect information about the personnel number, it can lead to this error. COVID Functionality Configuration: If the COVID-related functionalities (like special leave types, wage types, etc.) are not configured correctly, it may lead to mismatches in the expected data. Parallel Processing: If
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