How To Fix FKK_EBS121 - The taxes for the item are incompatible with the internally calc. taxes

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 121

• Message text: The taxes for the item are incompatible with the internally calc. taxes

What causes this issue?

At the item level, the external system has transferred tax information
that differs from the 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

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 FKK_EBS121 - The taxes for the item are incompatible with the internally calc. taxes ?

  The SAP error message FKK_EBS121 indicates that there is a mismatch between the taxes defined for a specific item and the taxes that are calculated internally by the system. This error typically occurs in the context of electronic bank statement processing or when dealing with financial transactions that involve tax calculations.
  Cause:
  
  Tax Configuration Mismatch: The tax codes or rates defined in the system for the item do not match the tax codes or rates that the system calculates based on the configuration.
  Incorrect Tax Code Assignment: The tax code assigned to the item may not be valid for the transaction type or may not be set up correctly in the system.
  Changes in Tax Regulations: If there have been recent changes in tax regulations or configurations, the system may not have been updated accordingly.
  Data Entry Errors: Manual entry errors in the transaction data can lead to discrepancies in tax calculations.
  
  Solution:
  
  Check Tax Code Configuration: Verify the tax codes assigned to the item and ensure they are correctly configured in the system. This includes checking the tax rates and the validity of the tax codes.
  Review Transaction Data: Examine the transaction data for any discrepancies or incorrect entries that may have led to the error. Ensure that the tax codes used are appropriate for the transaction.
  Update Tax Configuration: If there have been changes in tax regulations, ensure that the tax configuration in the system is updated to reflect these changes.
  Consult with Finance Team: If you are unsure about the correct tax codes or configurations, consult with your finance or accounting team to ensure compliance with tax regulations.
  Test with Different Scenarios: If possible, test the transaction with different tax codes or scenarios to identify the specific cause of the mismatch.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like OBYZ (for tax code determination) or OB40 (for tax configuration) to review and adjust tax settings.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on tax configuration issues.
  Documentation: Review SAP documentation related to tax configuration and electronic bank statement processing for additional insights and best practices.
  
  If the issue persists after following these steps, it may be beneficial to engage with SAP support or your internal SAP team for further assistance.