How To Fix KZ028 - Variance key reset to original value

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 028

• Message text: Variance key reset to original 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 this cost object ID, but
specified that the lower-level cost object IDs in the hierarchy
were not to be changed.

System Response

The system cancelled the new entry and reset the variance key to the
original value.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KZ028 - Variance key reset to original value ?

  The SAP error message KZ028, which states "Variance key reset to original value," typically occurs in the context of controlling and cost accounting, particularly when dealing with variance calculations in SAP CO (Controlling) module. This message indicates that the variance key for a particular cost object (like a cost center or internal order) has been reset to its original value, which can happen for several reasons.
  Causes:
  
  Manual Changes: A user may have manually changed the variance key in the system, leading to the reset.
  Configuration Issues: Incorrect configuration in the controlling settings or master data can lead to this error.
  Data Consistency: If there are inconsistencies in the data or if the system detects that the variance key does not match the expected value, it may reset it.
  Posting Errors: Errors during posting or during the execution of a transaction can also trigger this message.
  Period Closing: If the period is closed and there are attempts to post or change data related to that period, the system may revert to original values.
  
  Solutions:
  
  Check Variance Key Configuration: Review the configuration settings for the variance key in the controlling area. Ensure that the settings are correct and align with your business processes.
  Review Master Data: Check the master data for the cost object (cost center, internal order, etc.) to ensure that the variance key is set correctly.
  Analyze Change Logs: Look at the change logs to see if there were any recent changes made to the variance key that could have triggered the reset.
  Consult Documentation: Refer to SAP documentation or notes related to the specific error message for any additional insights or updates.
  Test in a Development Environment: If possible, replicate the issue in a development or test environment to understand the conditions under which the error occurs.
  Contact SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP support for further assistance.
  
  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 the data related to the variance key.
  SAP Notes: Search for SAP Notes related to KZ028 for any patches or updates that may address known issues.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, providing insights or solutions from other users' experiences.
  
  By following these steps, you should be able to diagnose and address the KZ028 error effectively.