How To Fix KO155 - Enter a cost element (category 22)

KO155 - Overview

• Message type: E = Error

• Message class: KO - Master data for CO orders

• Message number: 155

• Message text: Enter a cost element (category 22)

What causes this issue?

For settlement to a G/L account, the settlement cost element must be of
type 22 (external allocation). Cost element &v1& is not of that type.

How to fix this error?

Enter a valid cost element of type 22, or remove the G/L account.

Error message extract from SAP system. Copyright SAP SE.

KO155 - Details

• The SAP error message KO155, which states "Enter a cost element (category 22)," typically occurs in the context of cost accounting and internal order management. This error indicates that a cost element is required for a specific transaction or entry, but it has not been provided.
  
  Cause:
  
  Missing Cost Element: The most common cause of this error is that the user has not entered a cost element when trying to post costs to an internal order or cost center.
  Incorrect Configuration: The cost element may not be properly configured in the system, or the category of the cost element being used is not appropriate for the transaction.
  Transaction Type: The transaction type being used may require a specific cost element that has not been defined or is not available in the system.
  
  
  Solution:
  
  Enter a Cost Element: When prompted with this error, ensure that you enter a valid cost element that corresponds to category 22. This