How To Fix HPC022 - Characteristic of root node in hierarchy type &1 should be empty

SAP Error Message - Details

• Message type: E = Error

• Message class: HPC - Classification-Based Product Hierarchy

• Message number: 022

• Message text: Characteristic of root node in hierarchy type &1 should be empty

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message HPC022 - Characteristic of root node in hierarchy type &1 should be empty ?

  The SAP error message HPC022 indicates that there is an issue with the hierarchy structure in your SAP system. Specifically, it states that the characteristic of the root node in the specified hierarchy type should be empty. This error typically arises when you are trying to create or modify a hierarchy and the root node has a characteristic value assigned to it, which is not allowed.
  Cause:
  
  Root Node Characteristics: In SAP, the root node of a hierarchy is expected to have no characteristic values assigned. If a characteristic value is assigned to the root node, it violates the hierarchy structure rules.
  Data Entry Error: During the creation or modification of the hierarchy, a user may have inadvertently assigned a characteristic value to the root node.
  Configuration Issues: There may be issues in the configuration of the hierarchy type that lead to this error.
  
  Solution:
  
  Check the Root Node: Navigate to the hierarchy in question and check the root node's characteristics. Ensure that it does not have any values assigned.
  Remove Characteristic Values: If you find that the root node has characteristic values, remove them. This can usually be done in the hierarchy maintenance transaction (e.g., transaction code HIER or HIERARCHY).
  Recreate the Hierarchy: If the hierarchy is complex and you are unable to resolve the issue, consider deleting the hierarchy and recreating it, ensuring that the root node remains empty.
  Consult Documentation: Review the SAP documentation related to hierarchy management for any specific rules or guidelines that may apply to your version of SAP.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as HIER, HIERARCHY, or any specific transaction related to the hierarchy type you are working with.
  SAP Notes: Check the SAP Support Portal for any notes or updates related to this error message. There may be patches or updates that address this issue.
  User Authorization: Ensure that you have the necessary authorizations to modify hierarchy structures in your SAP system.
  Testing: After making changes, test the hierarchy to ensure that it functions as expected without any errors.
  
  If the problem persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.