Message type: E = Error
Message class:  HRPAYSI - Messages for Function Group HR_INFOTYPE8_PAYROLL 
Message number: 007
Message text: Payroll driver not available on key date &1
The system tried to read the name of the payroll program in the HR
Subroutines table (T596F).
However, it could not read this for the key date &V1& and for the
module name &V2&.
Payroll simulation can not be started.
It is possible that there is an error in the system settings. In
particular, check the entries in feature PM004. If necessary, inform
your system administrator.
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 HRPAYSI007 indicates that the payroll driver is not available for the specified key date. This error typically occurs during the payroll processing in the SAP Human Capital Management (HCM) module, particularly when trying to execute payroll for a specific period.
Cause: The error can be caused by several factors, including: Missing Payroll Driver: The payroll driver (program) for the specific country or payroll area is not defined or is not available in the system for the key date. Incorrect Configuration: The payroll configuration may not be set up correctly for the specific key date or payroll area. Transport Issues: If the payroll driver was recently transported from another system, it may not have been properly imported or activated. Version Issues: The payroll driver may not be compatible with the current version of the SAP system or may not be updated.
Solution: To resolve the HRPAYSI007 error, you can take the following steps: Check Payroll Driver
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