How To Fix KT491 - Hierarchy name &1 is not valid

SAP Error Message - Details

• Message type: E = Error

• Message class: KT - RK Message Table Maintenance

• Message number: 491

• Message text: Hierarchy name &1 is not valid

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message KT491 - Hierarchy name &1 is not valid ?

  The SAP error message KT491, which states "Hierarchy name &1 is not valid," typically occurs in the context of SAP Controlling (CO) when working with cost center hierarchies or other hierarchical structures. This error indicates that the system cannot recognize or find the specified hierarchy name.
  Causes:
  
  Invalid Hierarchy Name: The hierarchy name provided does not exist in the system or is misspelled.
  Inactive Hierarchy: The hierarchy may exist but is not active or has been deactivated.
  Authorization Issues: The user may not have the necessary authorizations to access the specified hierarchy.
  Configuration Issues: There may be issues with the configuration of the hierarchy in the system.
  Transport Issues: If the hierarchy was recently transported from another system, it may not have been properly imported.
  
  Solutions:
  
  Check Hierarchy Name: Verify that the hierarchy name you are using is correct. Ensure there are no typos or incorrect characters.
  Activate Hierarchy: If the hierarchy exists but is inactive, you may need to activate it. This can usually be done in the hierarchy maintenance transaction (e.g., KSH1 for cost center hierarchies).
  Authorization Check: Ensure that you have the necessary authorizations to access the hierarchy. You may need to contact your SAP security team to verify your permissions.
  Review Configuration: Check the configuration settings for the hierarchy in the SAP system. Ensure that it is set up correctly and that all necessary components are in place.
  Transport Validation: If the hierarchy was recently transported, check the transport logs to ensure that it was successfully imported. You may need to re-import or correct any issues with the transport.
  Consult Documentation: Refer to SAP documentation or help resources for additional guidance on managing hierarchies in your specific version of SAP.
  
  Related Information:
  
  Transaction Codes: Common transaction codes related to hierarchies include KSH1 (Create Cost Center Hierarchy), KSH2 (Change Cost Center Hierarchy), and KSH3 (Display Cost Center Hierarchy).
  SAP Notes: Check SAP Notes for any known issues or patches related to hierarchy management that may address this error.
  Support: If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to identify and resolve the issue related to the KT491 error message in SAP.