Message type: E = Error
Message class:  HRPAYFI_KATRE - KATRE (Income Register) 
Message number: 275
Message text: Unjust Enrichment is not allowed with Overpayment Process (&1)!
You used correction wage types to resolve negative deltas as
Overpayment. However, amount is not sufficient. Therefore, Unjust
Enrichment is also created as default behavior.
Such mixed results are not allowed.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
You must provide correct amount of correction wage types to follow
overpayment process.
Alternatively, you can remove those wage types completely and use
standard Unjust Enrichment/Recovery process.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message HRPAYFI_KATRE275 indicates that there is an issue related to the handling of overpayments in the payroll process. Specifically, the message states that "Unjust Enrichment is not allowed with Overpayment Process," which typically means that the system has detected a situation where an employee is being compensated in a way that is not compliant with the rules governing overpayments.
Cause: Overpayment Configuration: The error often arises when the configuration for handling overpayments is not set up correctly. This could involve settings in the payroll schema or the specific infotypes related to payroll processing. Employee Data: There may be inconsistencies or errors in the employee's payroll data, such as incorrect wage types or amounts that lead to an overpayment scenario. Unjust Enrichment Rules: The system has built-in rules to prevent unjust enrichment, which means that employees should not receive more than what they are entitled to. If the system detects that an
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