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

KQ459 - Overview

• 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