How To Fix FKKINV013 - Type of tax calculation &1 is unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: FKKINV - Invoicing in Contract Accounts Receivable and Payable

• Message number: 013

• Message text: Type of tax calculation &1 is unknown

What causes this issue?

The <DS:DE.TAX_DET_TYPE_KK>type of tax calculation</> &v1& is unknown.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FKKINV013 - Type of tax calculation &1 is unknown ?

  The SAP error message FKKINV013 indicates that there is an issue with the type of tax calculation being used in the system. This error typically arises in the context of invoicing and billing processes, particularly in the SAP Convergent Charging or SAP Contract Accounts Receivable and Payable (FI-CA) modules.
  Cause:
  The error message "Type of tax calculation &1 is unknown" suggests that the system encountered a tax calculation type that it does not recognize. This can happen due to several reasons:
  
  Configuration Issues: The tax calculation type may not be properly configured in the system. This could be due to missing entries in the tax configuration tables.
  Incorrect Tax Code: The tax code being used in the transaction may not be valid or may not correspond to a recognized tax calculation type.
  Missing Customization: If the system has been customized, there may be missing or incorrect settings related to tax calculation types.
  Data Inconsistencies: There may be inconsistencies in the master data or transaction data that lead to the system not being able to determine the correct tax calculation type.
  
  Solution:
  To resolve the FKKINV013 error, you can follow these steps:
  
  
  Check Tax Configuration:
  
  Go to the transaction code OBYZ (for tax calculation types) and verify that the tax calculation type in question is defined correctly.
  Ensure that the relevant tax codes are assigned to the correct tax calculation types.
  
  
  
  Review Tax Codes:
  
  Use transaction code FTXP to check the tax codes being used in the transaction. Ensure that they are valid and correctly configured.
  
  
  
  Check Customization:
  
  If there have been recent changes or customizations, review those settings to ensure that they are not causing the issue.
  
  
  
  Analyze the Transaction:
  
  Look at the specific transaction that triggered the error. Check the details of the invoice or billing document to see if there are any anomalies in the tax-related fields.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to tax calculation types for any specific guidance or updates that may be relevant.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They may provide insights based on the specific configuration of your system.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OBYZ (for tax calculation types), FTXP (for tax codes), and FB60 (for entering vendor invoices).
  SAP Notes: Check for any SAP Notes that may address known issues or provide updates related to tax calculation types.
  Documentation: Review the SAP Help Portal for detailed information on tax configuration and invoicing processes.
  
  By following these steps, you should be able to identify and resolve the cause of the FKKINV013 error in your SAP system.