How To Fix FKK_EBS120 - The taxes for doc. &1 are incompatible with the internally calc. taxes

FKK_EBS120 - Overview

• Message type: E = Error

• Message class: FKK_EBS - Interface between FI-CA and External Billing System

• Message number: 120

• Message text: The taxes for doc. &1 are incompatible with the internally calc. taxes

What causes this issue?

At the document level, the external system has transferred tax
information that differs from values calculated internally.

System Response

To ensure data consistency, the documents concerned are <ZH>not</>
posted.

How to fix this error?

Check the transferred tax data and/or the internal Customizing.

Procedure for System Administrators

In some cases, it is advisable to store a customer function module
specifically for event 2405 to counteract any rounding differences.
INCLUDE FICA_NA_CUST_2 OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.

FKK_EBS120 - Details

• The SAP error message FKK_EBS120 indicates that there is a discrepancy between the taxes calculated internally by the system and the taxes that are specified in the document. This error typically occurs in the context of electronic bank statement processing or when dealing with financial documents that involve tax calculations.
  
  Cause:
  
  Tax 
  Configuration Issues: The tax codes used in the document may not be configured correctly in the system. This can happen if the tax rates have changed or if the tax codes are not properly assigned to the relevant accounts.
  Document Inconsistencies: The document may have been created with incorrect tax information, or there may be missing tax information that is required for the internal calculations.
  Currency Differences: If the document involves multiple currencies, discrepancies in currency conversion rates can lead to differences in tax calculations.
  Customizations or Enhancements: Custom code or enhancements in the SAP system may interfere with the standard tax calculation