How To Fix HRPAYAT_PAYROLL_ST421 - Children saved in IT0042, but without valid IT0021

HRPAYAT_PAYROLL_ST421 - Overview

• Message type: E = Error

• Message class: HRPAYAT_PAYROLL_ST - Message Class for Tax Calculation in ABAP-OO

• Message number: 421

• Message text: Children saved in IT0042, but without valid IT0021

What causes this issue?

Missing IT0021 despite child in IT0042.

System Response

Payroll cannot load the child data for calculating the family bonus plus
and terminates.

How to fix this error?

Create the infotype "Family Members/Dependents (0021)" for these
children and save the infotype "Fiscal Data A (0042)" again.

Procedure for System Administrators

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message HRPAYAT_PAYROLL_ST421 - Children saved in IT0042, but without valid IT0021 ?

  The SAP error message HRPAYAT_PAYROLL_ST421 indicates that children have been saved in Infotype 0042 (Family/Dependents) without a valid entry in Infotype 0021 (Family Member/Dependent). This situation typically arises in the context of payroll processing, where the system expects a valid relationship between dependents and their corresponding family member records.
  
  Cause:
  
  
  Missing or Incomplete Data: The error usually occurs when there are entries in Infotype 0042 that do not have a corresponding valid entry in Infotype 0021. This can happen if:
  
  The family member's data was not entered or was deleted.
  The relationship type or validity dates in Infotype 0021 do not match those in Infotype 0042.
  The employee's data was not maintained correctly.
  
  
  
  Data Consistency Issues: The system enforces data consistency between these infotypes to ensure that all dependents have valid family member records.
  
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Infotype 0021:
  
  Go to the employee's master data and check Infotype 0021 for the