How To Fix KAO002 - Error when determining superior WBS element of a subtree

SAP Error Message - Details

• Message type: E = Error

• Message class: KAO - General Notifications for Period-End Closing in Projects

• Message number: 002

• Message text: Error when determining superior WBS element of a subtree

What causes this issue?

The system tried to determine the superior WBS element or a subtree for
a WBS elment. As a result, an error occurred.

System Response

Processing was terminated.

How to fix this error?

This error should not occur. Create a problem message under the
component PS-REV-RA with the message number KAO 002.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KAO002 - Error when determining superior WBS element of a subtree ?

  The SAP error message KAO002, which states "Error when determining superior WBS element of a subtree," typically occurs in the context of project management and controlling when working with Work Breakdown Structures (WBS) in SAP. This error indicates that there is an issue with the hierarchy of WBS elements, particularly when trying to determine the superior (parent) WBS element for a given subtree.
  Causes of KAO002 Error
  
  
  Missing Superior WBS Element: The superior WBS element that is supposed to be linked to the current WBS element may not exist or may have been deleted.
  
  
  Incorrect WBS Structure: The WBS elements may not be correctly structured, leading to inconsistencies in the hierarchy.
  
  
  Authorization Issues: The user may not have the necessary authorizations to access or modify the WBS elements.
  
  
  Data Inconsistencies: There may be inconsistencies in the data, such as incorrect settings or missing entries in the database.
  
  
  Project Status: The project or WBS element may be in a status that does not allow for changes or updates.
  
  
  Solutions to KAO002 Error
  
  
  Check WBS Hierarchy: Verify the hierarchy of the WBS elements to ensure that all superior elements exist and are correctly linked. You can use transaction codes like CJ20N or CJ03 to view the WBS structure.
  
  
  Create or Restore Missing WBS Elements: If a superior WBS element is missing, you may need to create it or restore it if it was deleted.
  
  
  Review Authorizations: Ensure that the user has the necessary authorizations to access and modify the WBS elements. This may involve checking roles and permissions in the user profile.
  
  
  Data Consistency Check: Run consistency checks on the project data to identify and resolve any inconsistencies. This can often be done through transaction codes like CJBN (for project structure) or using SAP's data consistency tools.
  
  
  Check Project Status: Ensure that the project and its WBS elements are in a status that allows for changes. If the project is locked or in a closed status, you may need to unlock it or change its status.
  
  
  Consult SAP Notes: Check for any relevant SAP Notes that may address this specific error. SAP frequently releases notes that provide solutions or workarounds for known issues.
  
  
  Related Information
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CJ20N (Project Builder), CJ03 (Display WBS), and CJ02 (Change WBS) to navigate and manage WBS elements effectively.
  
  
  Documentation: Review SAP documentation related to Project System (PS) and Work Breakdown Structures for best practices and guidelines.
  
  
  Support: If the issue persists, consider reaching out to your SAP support team or consulting with SAP support for further assistance.
  
  
  By following these steps, you should be able to identify the cause of the KAO002 error and implement the appropriate solution.