How To Fix KQ459 - Unit costing and product costing only allowed for reference object '0'

SAP Error Message - Details

• Message type: E = Error

• Message class: KQ - Error Messages for Customizing Product Costing

• Message number: 459

• Message text: Unit costing and product costing only allowed for reference object '0'

What causes this issue?

You can create a cost estimate for a material in unit costing and in
product costing. For all other reference objects, you have to decide
whether to create a cost estimate in unit costing or in product costing.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KQ459 - Unit costing and product costing only allowed for reference object '0' ?

  The SAP error message KQ459 indicates that there is an issue with the costing configuration in the system, specifically related to unit costing and product costing. This error typically arises when there is an attempt to perform costing operations that are not allowed for the specified reference object, which in this case is '0'.
  Cause:
  
  Reference Object Misconfiguration: The reference object '0' usually indicates that the system is trying to reference a costing object that is not properly defined or does not exist.
  Costing Variant Issues: The costing variant being used may not be configured to allow for the type of costing being attempted (unit costing vs. product costing).
  Master Data Issues: There may be missing or incorrect master data related to the material or product being costed.
  Costing Type Restrictions: The system may have restrictions on the types of costing that can be performed based on the configuration settings.
  
  Solution:
  
  
  Check Costing Variant Configuration:
  
  Go to the configuration settings for costing variants in SAP (Transaction code: OKKN).
  Ensure that the costing variant you are using is set up correctly to allow for the type of costing you are trying to perform.
  
  
  
  Review Master Data:
  
  Check the material master data for the product in question (Transaction code: MM03).
  Ensure that all necessary costing views are maintained and that the material is properly defined.
  
  
  
  Verify Reference Object:
  
  Ensure that the reference object being used is valid and correctly configured in the system.
  If '0' is being used, it may indicate that the system is not able to find a valid reference object.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources related to costing to understand the specific requirements and restrictions for the costing types you are working with.
  
  
  
  Testing:
  
  After making any changes, perform a test run to see if the error persists. This can help confirm whether the changes made have resolved the issue.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  CK11N: Create Material Cost Estimate
  CK40N: Change Cost Estimate
  CK24: Display Cost Estimate
  
  
  SAP Notes: Check for any SAP Notes related to this error message for additional guidance or patches that may address the issue.
  User Forums: Consider visiting SAP community forums or user groups where similar issues may have been discussed, as they can provide insights and solutions from other users.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a consultant who specializes in SAP costing.