How To Fix UCD0020 - Entry &1 occurs several times beneath top node &2 of hierarchy &3

UCD0020 - Overview

• Message type: E = Error

• Message class: UCD0 - General Messages for Data Dispatcher, SAP Consolidation

• Message number: 020

• Message text: Entry &1 occurs several times beneath top node &2 of hierarchy &3

What causes this issue?

You can assign a node to a text node several times, but only once to a
totals node.
However, to do this, there can only be text nodes between the top node
of the hierarchy and the text node in question; or the text node must be
assigned directly below the top node of the hierarchy.

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UCD0020 - Entry &1 occurs several times beneath top node &2 of hierarchy &3 ?

  The SAP error message UCD0020 indicates that there is a problem with the hierarchy structure in your SAP system. Specifically, it means that the entry (or node) specified by &1 occurs multiple times under the top node &2 of the hierarchy &3. This can lead to inconsistencies in the hierarchy and can affect reporting and data integrity.
  
  Cause:
  
  Duplicate Entries: The most common cause of this error is that there are duplicate entries in the hierarchy. This can happen if the data was imported incorrectly or if there were manual errors during data entry.
  Incorrect Hierarchy Configuration: The hierarchy may not be configured correctly, leading to multiple instances of the same node being placed under a single parent node.
  Data Migration Issues: If data was migrated from another system, it’s possible that duplicates were introduced during the migration process.
  
  
  Solution:
  
  Identify Duplicates: Use transaction codes like SE16 or SE11 to check the relevant tables for duplicates.