How To Fix USMD1B212 - Version &3: Node &1 is underneath itself in hierarchy &2

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD1B - Meldungen: MDF Anschluss

• Message number: 212

• Message text: Version &3: Node &1 is underneath itself in hierarchy &2

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message USMD1B212 - Version &3: Node &1 is underneath itself in hierarchy &2 ?

  The SAP error message USMD1B212 indicates a problem with the hierarchy structure in the Master Data Governance (MDG) application. Specifically, it means that a node in the hierarchy is incorrectly positioned such that it is a descendant of itself, which creates a circular reference. This situation is not valid in a hierarchical structure, as it violates the rules of parent-child relationships.
  Cause:
  The error typically arises from one of the following scenarios:
  
  Incorrect Hierarchy Definition: The hierarchy has been defined in such a way that a node is mistakenly set as a child of itself or a descendant of itself.
  Data Migration Issues: During data migration or import processes, the hierarchy may have been incorrectly established, leading to circular references.
  Manual Errors: Users may have manually created or modified the hierarchy, resulting in an invalid structure.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Review the Hierarchy Structure:
  
  Navigate to the hierarchy in question and examine the relationships between nodes.
  Identify the node mentioned in the error message and check its parent-child relationships.
  
  
  
  Correct the Hierarchy:
  
  If you find that the node is indeed a child of itself or has a circular reference, you will need to adjust the hierarchy.
  Remove or correct the relationship that causes the circular reference.
  
  
  
  Use Hierarchy Maintenance Tools:
  
  Utilize SAP's hierarchy maintenance tools to visualize and manage the hierarchy structure. This can help in identifying and correcting issues more easily.
  
  
  
  Data Validation:
  
  After making changes, validate the hierarchy to ensure that there are no remaining circular references or other structural issues.
  
  
  
  Testing:
  
  Test the changes in a development or test environment before applying them to production to ensure that the issue is resolved without introducing new problems.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or support resources for additional guidance on managing hierarchies in MDG.
  
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like MDG_HIERARCHY or MDG_MAINTAIN to access hierarchy maintenance functions.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional solutions related to hierarchy management in MDG.
  Support: If the issue persists after attempting to resolve it, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to identify and correct the issue causing the USMD1B212 error message in your SAP system.