How To Fix K8024 - The "cost element" can only be left out in activity input

SAP Error Message - Details

• Message type: E = Error

• Message class: K8 - CO Planning: Messages for Function Group KAPP

• Message number: 024

• Message text: The "cost element" can only be left out in activity input

What causes this issue?

You have not entered any cost elements in the initial screen for cost
element/activity input planning.
This is allowed only within the activity input planning framework.
For activity input planning, however, sender cost centers and sender
activity types are required. These characteristics were not entered
either, and useful results are therefore impossible to calculate.

System Response

The initial screen entries are not accepted.

How to fix this error?

Enter either the cost elements or the sender cost centers and sender
activity types.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message K8024 - The "cost element" can only be left out in activity input ?

  The SAP error message K8024, which states "The 'cost element' can only be left out in activity input," typically occurs in the context of cost accounting and internal order management. This error indicates that the system expects a cost element to be specified for certain types of transactions, but it has not been provided.
  Cause:
  
  Missing Cost Element: The most common cause of this error is that a cost element has not been specified in the transaction where it is required. This can happen when entering data for cost allocations, internal orders, or activity inputs.
  Incorrect Configuration: The configuration settings in the controlling area or the cost element master data may not be set up correctly, leading to the system expecting a cost element where it is not provided.
  Transaction Type: The type of transaction being processed may require a cost element, and if the transaction is being processed in a way that does not align with the expected input, this error can occur.
  
  Solution:
  
  Specify Cost Element: Ensure that a valid cost element is specified in the transaction. Review the input fields and make sure that the cost element is filled in where required.
  Check Configuration: Review the configuration settings in the controlling area and ensure that the cost element settings are correct. This may involve checking the cost element master data and ensuring that it is active and correctly assigned.
  Review Transaction Type: If you are using a specific transaction type, verify that it is appropriate for the operation you are trying to perform. Some transaction types may have specific requirements regarding cost elements.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on the specific transaction you are working with. This can provide insights into the requirements for cost elements in that context.
  
  Related Information:
  
  Cost Elements: In SAP, cost elements are used to categorize costs and revenues. They are essential for cost accounting and financial reporting.
  Activity Input: This refers to the process of recording the consumption of resources in a cost center or internal order, which typically requires a cost element to be specified.
  SAP Notes: Check SAP Notes for any known issues or updates related to this error message. SAP frequently releases notes that address specific error messages and provide solutions or workarounds.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as KSU5 (Activity Input) or KO01 (Create Internal Order) to understand where this error might occur.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in controlling (CO) to further investigate the problem.