How To Fix KX428 - Reference field changed from &1 to &2

SAP Error Message - Details

• Message type: E = Error

• Message class: KX - EC-EIS/EC-BP: Data basis, data collection

• Message number: 428

• Message text: Reference field changed from &1 to &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message KX428 - Reference field changed from &1 to &2 ?

  The SAP error message KX428 indicates that there has been a change in the reference field for a cost object, which is typically related to cost center accounting or internal orders. The message specifies that the reference field has changed from one value (&1) to another (&2). This can occur in various scenarios, such as when a cost object is reassigned or when there are changes in the configuration or master data.
  Cause:
  
  Data Changes: The reference field for a cost object may have been changed due to updates in master data or configuration settings.
  Reassignment of Cost Objects: If a cost object (like a cost center or internal order) is reassigned to a different reference, this error can occur.
  Inconsistent Data: There may be inconsistencies in the data that lead to the system detecting a change in the reference field.
  
  Solution:
  
  Review Changes: Check the change logs for the cost object to identify what changes were made and by whom. This can help determine if the change was intentional or accidental.
  Validate Master Data: Ensure that the master data for the cost objects is consistent and correctly configured. This includes checking the settings for cost centers, internal orders, and any related objects.
  Revert Changes: If the change was not intended, consider reverting the reference field back to its original value.
  Consult Documentation: Review SAP documentation or consult with your SAP support team for specific guidance related to your configuration and business processes.
  Testing: If changes were made as part of a configuration update, conduct thorough testing to ensure that the changes do not negatively impact other processes.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like KS01 (Create Cost Center), KS02 (Change Cost Center), or KO01 (Create Internal Order) to review or modify cost objects.
  Authorization: Ensure that you have the necessary authorizations to make changes to cost objects and their reference fields.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide additional context on handling it.
  
  If the issue persists after following these steps, it may be beneficial to engage with SAP support for further assistance.