How To Fix KX231 - The top node & does not represent the top of the hierarchy.

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 231

• Message text: The top node & does not represent the top of the hierarchy.

What causes this issue?

The hierarchy has no unique top node.

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?

Restructure the hierarchy or assign the top node to a unique top node.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KX231 - The top node & does not represent the top of the hierarchy. ?

  The SAP error message KX231, which states "The top node & does not represent the top of the hierarchy," typically occurs in the context of SAP Controlling (CO) when working with cost center hierarchies or other hierarchical structures. This error indicates that the node you are trying to use as the top of a hierarchy is not correctly defined or does not meet the necessary criteria to be considered the top node.
  Causes:
  
  Incorrect Hierarchy Definition: The node you are trying to set as the top of the hierarchy may not be defined correctly in the system.
  Missing Parent Node: The top node may have a parent node that is not defined or is incorrectly set up.
  Circular References: There may be circular references in the hierarchy that prevent the system from recognizing the top node.
  Inactive Nodes: The node you are trying to use may be inactive or not properly activated in the hierarchy.
  Data Inconsistencies: There may be inconsistencies in the data that prevent the hierarchy from being recognized correctly.
  
  Solutions:
  
  Check Hierarchy Structure: Review the hierarchy structure in the SAP system to ensure that the node you are trying to use as the top node is correctly defined and does not have any parent nodes that are not valid.
  Activate Nodes: Ensure that all relevant nodes in the hierarchy are active and properly configured.
  Correct Circular References: If there are circular references, resolve them by adjusting the hierarchy structure.
  Recreate the Hierarchy: If the hierarchy is too complex or has too many issues, consider recreating it from scratch to ensure that all nodes are correctly defined.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on setting up hierarchies in your version of SAP.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like KSH1 (Create Cost Center) or KSH2 (Change Cost Center) to manage cost centers and their hierarchies.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles and Authorizations: Ensure that you have the necessary authorizations to make changes to the hierarchy.
  Testing: After making changes, test the hierarchy to ensure that the error does not reoccur.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a consultant who specializes in SAP Controlling for further assistance.