How To Fix KJ679 - PS Cash Service: TAX-TAX_CALC '&1' not supported for USE_COFP '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: KJ - Cost Object Controlling for Make-to-Order Production

• Message number: 679

• Message text: PS Cash Service: TAX-TAX_CALC '&1' not supported for USE_COFP '&2'

What causes this issue?

You are using parameter ADD_AND_ASSIGN_PAYMENTS in customer enhancement
5 of results analysis. This makes it possible to read the data of PS
cash management into the results analysis. TAX-TAX_CALC and USE_COFP
are defined in parameter ADD_AND_ASSIGN_PAYMENTS.

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?

Contact your system administrator.

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 KJ679 - PS Cash Service: TAX-TAX_CALC '&1' not supported for USE_COFP '&2' ?

  The SAP error message KJ679 indicates an issue related to the cash service in the context of tax calculation for a project system (PS) scenario. The error message specifically states that a certain tax calculation method (TAX_CALC '&1') is not supported for a particular configuration (USE_COFP '&2'). 
  Cause:
  
  Unsupported Tax Calculation Method: The tax calculation method being used is not compatible with the configuration settings for the cash service in the project system.
  Configuration Issues: There may be a misconfiguration in the project system settings or in the tax calculation settings that leads to this incompatibility.
  Customizations: If there are custom developments or enhancements in the system, they might not be aligned with the standard tax calculation methods.
  
  Solution:
  
  Check Configuration: Review the configuration settings for the tax calculation method in the project system. Ensure that the tax calculation method you are trying to use is supported for the cash service you are working with.
  Use Supported Tax Calculation: If the tax calculation method is indeed unsupported, consider switching to a different method that is compatible with the cash service.
  Consult Documentation: Refer to SAP documentation or notes related to the specific tax calculation methods and cash service configurations to understand the supported combinations.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide guidance on how to resolve it.
  Testing: After making changes, perform thorough testing to ensure that the new configuration works as expected without triggering the error.
  
  Related Information:
  
  SAP Project System (PS): This module is used for managing projects and their associated costs, revenues, and resources.
  Tax Calculation in SAP: SAP provides various methods for tax calculation, and each method may have specific requirements and compatibility with different modules and services.
  Transaction Codes: Familiarize yourself with transaction codes related to project system configuration (e.g., OPUK for defining tax calculation procedures).
  SAP Community and Forums: Engaging with the SAP community can provide insights from other users who may have encountered similar issues.
  
  If the problem persists after following these steps, it may be beneficial to reach out to SAP support for further assistance.