How To Fix KK439 - Item &: Cost element cannot be maintained manually

SAP Error Message - Details

• Message type: E = Error

• Message class: KK -

• Message number: 439

• Message text: Item &: Cost element cannot be maintained manually

What causes this issue?

If the item contains a material, an internal activity or a base
planning object, the cost element is determined via automatic account
determination.

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?

You may not overwrite the cost elements determined by the system.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KK439 - Item &: Cost element cannot be maintained manually ?

  The SAP error message KK439 ("Item &: Cost element cannot be maintained manually") typically occurs in the context of controlling (CO) when you are trying to manually enter or change a cost element in a transaction where it is not allowed. This is often seen in transactions related to internal orders, cost centers, or other controlling objects.
  Cause:
  The error arises because the cost element is either:
  
  Predefined: The cost element is automatically determined by the system based on the configuration and cannot be changed manually.
  Not allowed for manual entry: Certain transactions or configurations restrict manual entry of cost elements to maintain data integrity and consistency.
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Check Configuration: Review the configuration settings for the relevant controlling area, internal order, or cost center. Ensure that the cost element is set up correctly and is allowed for the type of transaction you are performing.
  
  
  Use Automatic Assignment: If the cost element is predefined, ensure that you are using the correct transaction type that allows for automatic assignment of cost elements. 
  
  
  Review Transaction Type: Make sure you are using the correct transaction type that supports manual entry of cost elements if that is your intention.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific details on the transaction you are using and the rules governing cost element entry.
  
  
  Contact SAP Support: If you are unable to resolve the issue through configuration or transaction adjustments, consider reaching out to SAP support for further assistance.
  
  
  Related Information:
  
  Cost Element Types: Understand the different types of cost elements (primary and secondary) and their roles in the SAP CO module.
  Transaction Codes: Familiarize yourself with relevant transaction codes (e.g., KO01 for creating internal orders, KSB1 for displaying cost centers) to ensure you are using the correct processes.
  User Roles and Authorizations: Ensure that your user role has the necessary authorizations to perform the actions you are attempting.
  
  By following these steps, you should be able to identify the root cause of the KK439 error and implement a suitable solution.