How To Fix USMDZ3277 - &3 appears more than once in the hierarchy &4

USMDZ3277 - Overview

• Message type: E = Error

• Message class: USMDZ3 - Nachrichtenklasse zum UI des User-Interfaces

• Message number: 277

• Message text: &3 appears more than once in the hierarchy &4

What causes this issue?

You inserted a node into the hierarchy. This leads to multiple
assignments of &V3&.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Search for the existing object in Hierarchy Processing.
If you don't find the object, a pending change request probably exists
to remove the object from the hierarchy. Choose <ZK><LS>Read Only</></>
mode, switch to <LS>Active Version</>, and search again.
For information about the change request that contains the removal of
the object, click the <LS>Pending Change Request</> icon beside the
removed node to navigate to the change request.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

USMDZ3277 - Details

• The SAP error message USMDZ3277 indicates that a specific object (usually a characteristic or attribute) appears more than once in a hierarchy. This typically occurs in the context of Master Data Governance (MDG) when you are trying to create or maintain a hierarchy structure, and the system detects duplicate entries.
  
  Cause:
  The error arises when:
  
  The same characteristic or attribute is assigned multiple times within the same hierarchy level.
  There is a configuration or data entry issue where the same node is mistakenly included more than once.
  
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check the Hierarchy Structure:
  
  Review the hierarchy structure you are trying to create or modify. Ensure that each node or characteristic is unique within its level.
  
  
  
  Identify Duplicates:
  
  Use transaction codes like MDG_MAT or MDG_MAT_HIER to view the hierarchy and identify where the duplicates are occurring.
  
  
  
  Remove Duplicates:
  
  Once you identify the duplicates, remove the extra entries so that each characteristic appears only once in