Message type: E = Error
Message class:  HRGB_LGPS - HR: Messages for LGPS 
Message number: 003
Message text: LGPS: Previous calculation of this pay period missing
This employee has an inconsistency in their payroll results.
This should never occur. This employee will be rejected during payroll
processing.
This employee cannot be processed through the payroll unless their LGPS
scheme rules have been overridden by entering the "Employee Specific
Record Indicator", "EEs" and "ERs" percentage rates on the employee's
Pension Details infotype (0071). This will have to be done against ALL
the LGPS schemes that the employee has during this payroll period.
Once the Pension Details have been overridden the payroll function GBLGP
will ignore the records and the employee will process through the
payroll without being rejected.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message HRGB_LGPS003 with the description "LGPS: Previous calculation of this pay period missing" typically occurs in the context of payroll processing, particularly when dealing with the Local Government Pension Scheme (LGPS) in the UK. This error indicates that the system is unable to find a previous payroll calculation for the current pay period, which is necessary for the correct processing of pension contributions and other payroll-related calculations.
Cause: Missing Previous Payroll Run: The most common cause of this error is that the payroll for the previous period has not been processed or has not been completed successfully. Incorrect Payroll Period Configuration: There may be an issue with the configuration of payroll periods, leading to discrepancies in the expected calculations. Data Entry Errors: Incorrect or incomplete data entries in the employee's payroll records can also lead to this error. System
Configuration Issues: There may be issues with the configuration of the LGPS module
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