Message type: E = Error
Message class:  HRPAYAT00 - HR-AT: Messages (General) 
Message number: 101
Message text: Enter a value for earned income.
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The SAP error message HRPAYAT00101 indicates that a value for earned income must be entered in the relevant field. This error typically occurs in the context of payroll processing, particularly in the Austrian payroll module (as suggested by the "AT" in the error code).
Cause: The error is triggered when the system expects a value for earned income (such as gross salary or wages) but finds that the field is either empty or not filled correctly. This can happen due to several reasons: The employee's payroll data is incomplete or not properly maintained. The payroll run is being executed without the necessary input data. There may be a configuration issue in the payroll schema or infotype settings.
Solution: To resolve this error, you can take the following steps: Check Employee Data: Go to the employee's master data (Infotype 0008 - Basic Pay) and ensure that the earned income is correctly entered. Verify that the relevant infotypes (e.g., 0008, 0014, 0015)
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