Message type: E = Error
Message class:  HRPAYAT_0526 - Messages in Area for Master Data (Austria) IT 0526 
Message number: 421
Message text: Personal calendar to be generated as of & (evaluation to &)
The personal calendar of the employee has not been generated up to the
end of the period required for the evaluation.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Generate the employee's personal calendar. To do this, execute report
<DS:RE.RPTGENA0>RPTGENA0</>.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message HRPAYAT_0526421 typically relates to issues in the payroll processing within the SAP HR module, specifically concerning the generation of personal calendars for employees. This error indicates that the personal calendar cannot be generated for a specific evaluation period.
Cause: Missing Data: The employee may not have the necessary data in their master records, such as absence types, work schedules, or other relevant information. Incorrect Configuration: There may be configuration issues in the payroll or time management settings that prevent the system from generating the personal calendar. Evaluation Period Issues: The evaluation period specified may not be valid or may not align with the employee's work schedule or absence records. Authorization Issues: The user may not have the necessary authorizations to generate the personal calendar.
Solution: Check Employee Master Data: Ensure that all necessary data for the employee is correctly maintained in the system. This includes checking the infotypes related to time management and
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