How To Fix KX230 - Only the root node may exist at the highest level.

KX230 - Overview

• Message type: E = Error

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

• Message number: 230

• Message text: Only the root node may exist at the highest level.

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message KX230 - Only the root node may exist at the highest level. ?

  The SAP error message KX230, which states "Only the root node may exist at the highest level," typically occurs in the context of SAP Controlling (CO) when dealing with the structure of cost centers, internal orders, or other hierarchical data structures. This error indicates that there is an issue with the hierarchy of nodes in a particular structure, where multiple nodes are incorrectly positioned at the highest level.
  
  Cause:
  
  Hierarchy Structure Issue: The error usually arises when there are multiple nodes (e.g., cost centers or internal orders) defined at the highest level of a hierarchy, which is not allowed. In a valid hierarchy, only one node can exist at the top level (the root node).
  Incorrect Configuration: This can happen due to incorrect configuration or data entry when setting up the hierarchy in the system.
  Data Migration Issues: If data has been migrated from another system or if there have been changes made to