How To Fix KO439 - No overhead keys defined for costing sheet &

KO439 - Overview

• Message type: E = Error

• Message class: KO - Master data for CO orders

• Message number: 439

• Message text: No overhead keys defined for costing sheet &

What causes this issue?

You can enter only those surcharge keys for which an overhead
percentage or amount has been entered in the costing sheet. Costing
sheet &V1& does not contain an surcharge referring to a surcharge key.

System Response

No surcharge keys can be entered.

How to fix this error?

Maintain costing sheet &V1&.
<DS:TRAN.KZS2>Proceed</>

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KO439 - No overhead keys defined for costing sheet & ?

  The SAP error message KO439, which states "No overhead keys defined for costing sheet &," typically occurs during the costing process in SAP, particularly when dealing with product costing or cost estimates. This error indicates that the system cannot find any overhead keys associated with the specified costing sheet, which is necessary for calculating overhead costs.
  
  Cause:
  
  Missing Overhead Keys: The primary cause of this error is that there are no overhead keys defined for the costing sheet you are trying to use. Overhead keys are essential for determining how overhead costs are allocated to cost objects.
  Incorrect Configuration: The costing sheet may not be properly configured in the system, or the overhead keys may not have been assigned to the costing sheet.
  Costing Sheet Not Assigned: The costing sheet might not be assigned to the material or cost object you are trying to cost.
  
  
  Solution:
  To resolve the KO439 error, you can follow these steps:
  
  
  Check