How To Fix KZ027 - Var. key of lower-level cost objects overwritten with new value

SAP Error Message - Details

• Message type: E = Error

• Message class: KZ - Cost Object Repetitive Mfg / Process Mfg

• Message number: 027

• Message text: Var. key of lower-level cost objects overwritten with new value

What causes this issue?

All cost object IDs in a cost object hierarchy must have the same
variance key. You entered a new variance key for the highest node in
the hierarchy.

System Response

The system copied the new variance key into the master data of all the
lower-level cost object IDs.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KZ027 - Var. key of lower-level cost objects overwritten with new value ?

  The SAP error message KZ027, which states "Var. key of lower-level cost objects overwritten with new value," typically occurs in the context of cost accounting and controlling (CO) when there is an inconsistency in the assignment of variable keys for cost objects. This error can arise during various processes, such as when posting costs or during the settlement of internal orders or projects.
  Cause:
  The error is generally caused by one of the following issues:
  
  
  Inconsistent Variable Key Assignment: The variable key assigned to a lower-level cost object (like a cost center or internal order) is being changed or overwritten, which is not allowed if there are already postings or allocations made against that object.
  
  
  Master Data Changes: Changes made to the master data of cost objects (like cost centers or internal orders) that affect the variable key can lead to this error if the system detects that the new key conflicts with existing data.
  
  
  Posting Period Issues: If there are postings in different periods that reference the same cost object with different variable keys, this can lead to inconsistencies.
  
  
  Solution:
  To resolve the KZ027 error, you can take the following steps:
  
  
  Check Variable Key Assignments: Review the variable key assignments for the cost objects involved. Ensure that the variable keys are consistent and that no changes are being made that would conflict with existing postings.
  
  
  Review Master Data Changes: If there have been recent changes to the master data of the cost objects, verify that these changes are valid and do not conflict with existing data.
  
  
  Analyze Posting History: Look at the posting history for the affected cost objects. Ensure that there are no postings that would conflict with the new variable key assignment.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on handling variable keys in your version of SAP.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. They can provide more detailed insights based on your specific configuration and usage.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as KSB1 (Cost Centers: Actual Line Items) or KOB1 (Orders: Actual Line Items) to analyze postings.
  Configuration Settings: Review the configuration settings for controlling and cost object management in your SAP system.
  User Exits and BAdIs: If custom logic is implemented in your SAP system, check for any user exits or BAdIs that might affect variable key assignments.
  
  By following these steps, you should be able to identify and resolve the underlying issue causing the KZ027 error in your SAP system.