How To Fix KG589 - Inconsistent parent (&)/child (&) relationship

SAP Error Message - Details

• Message type: E = Error

• Message class: KG - CO-PA Planning

• Message number: 589

• Message text: Inconsistent parent (&)/child (&) relationship

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message KG589 - Inconsistent parent (&)/child (&) relationship ?

  The SAP error message KG589, which states "Inconsistent parent (&)/child (&) relationship," typically occurs in the context of controlling (CO) module, particularly when dealing with cost centers, internal orders, or other hierarchical structures in SAP.
  Cause:
  This error usually arises due to inconsistencies in the master data relationships between parent and child objects. Common causes include:
  
  
  Incorrect Hierarchical Structure: The parent-child relationship may not be correctly defined in the system. For example, a cost center may be assigned as a child to a parent that is not valid or does not exist.
  
  
  Data Migration Issues: If data has been migrated from another system or if there have been recent changes to the organizational structure, inconsistencies may arise.
  
  
  Deletion of Objects: If a parent object has been deleted or made inactive while child objects still reference it, this can lead to inconsistencies.
  
  
  Configuration Errors: Incorrect configuration settings in the controlling area or organizational units can also lead to this error.
  
  
  Solution:
  To resolve the KG589 error, you can follow these steps:
  
  
  Check Hierarchical Structure:
  
  Use transaction codes like KS01 (Create Cost Center), KS02 (Change Cost Center), or KSH1 (Cost Center Hierarchy) to review the parent-child relationships.
  Ensure that all parent-child relationships are correctly defined and that the parent exists and is active.
  
  
  
  Review Master Data:
  
  Check the master data for both the parent and child objects to ensure they are correctly configured and active.
  Look for any inconsistencies or missing data that could be causing the issue.
  
  
  
  Data Consistency Check:
  
  Use transaction KAH3 (Display Cost Center Hierarchy) to analyze the hierarchy and identify any inconsistencies.
  You can also run reports or use transaction SARA to check for inconsistencies in the controlling area.
  
  
  
  Recreate Relationships:
  
  If you find that a parent or child is incorrectly set up, you may need to delete and recreate the relationships or adjust the settings accordingly.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to this error message for any specific guidance or patches that may address the issue.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as KS01, KS02, KSH1, KAH3, and SARA.
  SAP Notes: Search for SAP Notes related to error KG589 in the SAP Support Portal for any known issues or fixes.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify and resolve the inconsistency causing the KG589 error in your SAP system.