How To Fix UGMD300 - Leaf &1 belongs to type &2

UGMD300 - Overview

• Message type: E = Error

• Message class: UGMD - FIN Master Data: Messages

• Message number: 300

• Message text: Leaf &1 belongs to type &2

What causes this issue?

Value &v1& of characteristic &v2& is defined as a leaf in the hierarchy
-- that is, no further nodes are attached to it. However, a leaf must
belong to the hierarchy-defining characteristic &v3&.

System Response

The hierarchy cannot be used.

How to fix this error?

Modify the hierarchy either by deleting the node from the hierarchy or
by adding more nodes beneath.

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.

UGMD300 - Details

• The SAP error message UGMD300, which states "Leaf &1 belongs to type &2," typically occurs in the context of SAP Master Data Governance (MDG) or when dealing with hierarchical data structures. This error indicates that there is a mismatch or inconsistency in the data hierarchy, specifically that a leaf node (or element) is being referenced incorrectly in relation to its type.
  
  Cause:
  
  Data Hierarchy Issues: The leaf node (e.g., a specific data element) is not correctly defined or does not belong to the expected type in the hierarchy.
  Configuration Errors: There may be issues in the configuration of the data model or the hierarchy settings in SAP MDG.
  Data Integrity Problems: The data being processed may have integrity issues, such as incorrect relationships or classifications.
  
  
  Solution:
  
  Check Data Hierarchy: Review the hierarchy structure in the relevant data model to ensure that the leaf node is correctly defined and belongs to the expected type.
  Validate Configuration: Ensure that