Message type: E = Error
Message class:  FKK_ID_BR - Message class for Brazil Withholding tax functionalities 
Message number: 002
Message text: IRRF tax calculation is not possible due to missing INSS tax
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The SAP error message FKK_ID_BR002 indicates that the IRRF (Imposto de Renda Retido na Fonte) tax calculation cannot be performed because the INSS (Instituto Nacional do Seguro Social) tax information is missing. This error typically arises in the context of payroll processing or financial transactions in Brazil, where both IRRF and INSS are important components of tax calculations.
Cause: Missing INSS Data: The primary cause of this error is that the system does not have the necessary INSS tax data for the employee or the transaction being processed. This could be due to: The employee not being correctly set up in the system. Missing or incorrect INSS configuration in the payroll settings. The employee's INSS contribution data not being updated or entered. Incorrect Tax Configuration: There may be issues with the configuration of tax types or tax codes in the SAP system, leading to the inability to calculate IRRF without the corresponding INSS data. Data Entry Errors:
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