How To Fix KG389 - Ratio scheme & cannot be used here

SAP Error Message - Details

• Message type: E = Error

• Message class: KG - CO-PA Planning

• Message number: 389

• Message text: Ratio scheme & cannot be used here

What causes this issue?

Characteristic &V2& is used in ratio scheme &V1& as the access-level
characteristic. However, it is not contained anywhere in the current
planning layout.

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?

Change ratio scheme &V1& so that it does not use characteristic &V2&,
or change the definition of the planning layout so that it includes
this characteristic.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KG389 - Ratio scheme & cannot be used here ?

  The SAP error message KG389, which states "Ratio scheme & cannot be used here," typically occurs in the context of cost accounting or controlling modules, particularly when dealing with cost allocation or distribution processes. This error indicates that the specified ratio scheme is not applicable in the current context or configuration.
  Causes:
  
  Incorrect Configuration: The ratio scheme may not be properly configured in the system or may not be assigned to the relevant cost center or internal order.
  Incompatible Settings: The ratio scheme might be incompatible with the type of cost allocation or distribution being performed.
  Missing Master Data: Required master data for the ratio scheme may be missing or incomplete.
  Invalid Usage: The ratio scheme may be intended for a different type of transaction or process than the one being executed.
  
  Solutions:
  
  
  Check Configuration: Review the configuration of the ratio scheme in the SAP system. Ensure that it is correctly set up and assigned to the relevant cost objects.
  
  Navigate to the configuration settings in the controlling module (e.g., SPRO) and verify the settings for the ratio scheme.
  
  
  
  Review Master Data: Ensure that all necessary master data related to the ratio scheme is complete and correctly maintained.
  
  Check the cost centers, internal orders, or any other relevant objects to ensure they are properly defined.
  
  
  
  Validate Usage: Confirm that the ratio scheme is being used in the correct context. If it is not applicable for the current transaction, consider using a different scheme that is appropriate for the process.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific details about the ratio scheme and its intended use cases.
  
  
  Seek Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert who can provide more tailored assistance based on your specific configuration and business processes.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  Transaction Codes: Familiarize yourself with transaction codes related to cost accounting and controlling, such as KSV1 (Create Ratio Scheme) or KSV2 (Change Ratio Scheme).
  Training and Documentation: Consider training sessions or documentation on cost allocation and controlling processes to better understand how to configure and use ratio schemes effectively.
  
  By following these steps, you should be able to identify the root cause of the KG389 error and implement the necessary solutions to resolve it.