How To Fix FMCA_BRF_TAX013 - Field &1 contains a value &3 different to value &4

FMCA_BRF_TAX013 - Overview

• Message type: E = Error

• Message class: FMCA_BRF_TAX - Exceptions for tax validation. To be filled by customer

• Message number: 013

• Message text: Field &1 contains a value &3 different to value &4

What causes this issue?

The field &1 for form &2 contains a submitted value of &3, that differs
from the calculated value &4.

System Response

Correct this value if possible.

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.

FMCA_BRF_TAX013 - Details

• The SAP error message FMCA_BRF_TAX013 typically occurs in the context of tax calculations and validations within the SAP system, particularly when using the Business Rule Framework (BRF). This error indicates that a field (denoted as &1) contains a value (&3) that is different from an expected value (&4). This discrepancy can lead to issues in processing transactions, especially those related to tax calculations.
  
  Cause:
  
  Data Mismatch: The most common cause of this error is a mismatch between the value in the specified field and the expected value. This could be due to incorrect data entry, configuration issues, or changes in tax regulations that have not been updated in the system.
  
  Configuration Issues: If the tax configuration settings in the system do not align with the business rules defined in BRF, it can lead to this error.
  Custom Logic: If there are custom rules or logic implemented in BRF that are not correctly aligned with