How To Fix CMMD064 - The hierarchy structure is no longer correct

SAP Error Message - Details

• Message type: E = Error

• Message class: CMMD -

• Message number: 064

• Message text: The hierarchy structure is no longer correct

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CMMD064 - The hierarchy structure is no longer correct ?

  The SAP error message CMMD064, which states "The hierarchy structure is no longer correct," typically occurs in the context of SAP's Master Data Management, particularly when dealing with hierarchical data structures such as cost centers, profit centers, or other organizational units.
  Cause:
  
  Data Inconsistency: The hierarchy structure may have been altered, leading to inconsistencies. This can happen if nodes in the hierarchy are deleted or if there are changes in the parent-child relationships that violate the integrity of the hierarchy.
  Missing Nodes: If a node that is referenced in the hierarchy is missing or has been deleted, it can lead to this error.
  Incorrect Assignments: If there are incorrect assignments or relationships between nodes, it can cause the hierarchy to be invalid.
  Transport Issues: If changes were transported from one system to another (e.g., from development to production) and the hierarchy was not properly updated, it can lead to this error.
  
  Solution:
  
  Check Hierarchy Structure: Review the hierarchy structure in the relevant transaction (e.g., OKEQ for cost centers) to ensure that all nodes are correctly defined and that there are no missing or incorrectly assigned nodes.
  Rebuild the Hierarchy: If the hierarchy is significantly corrupted, it may be necessary to rebuild it. This can involve recreating nodes and re-establishing parent-child relationships.
  Use Transaction Codes: Utilize relevant transaction codes to check and correct the hierarchy. For example:
  
  OKB9: For cost center hierarchy.
  KSH1/KSH2: For cost center master data.
  
  
  Check for Transport Issues: If the issue arose after a transport, check the transport logs and ensure that all necessary objects were included in the transport.
  Consistency Check: Use SAP tools to perform a consistency check on the hierarchy. This can help identify any discrepancies that need to be addressed.
  Consult Documentation: Refer to SAP documentation or notes related to the specific module you are working with for additional troubleshooting steps.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes for managing hierarchies in your specific SAP module.
  User Roles and Authorizations: Ensure that you have the necessary authorizations to make changes to the hierarchy structure.
  Testing Changes: Always test changes in a development or quality assurance environment before applying them to production to avoid further issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.