How To Fix RS2HANA_VIEW154 - &1: Hierarchy &2 has several nodes with identical node name

RS2HANA_VIEW154 - Overview

• Message type: E = Error

• Message class: RS2HANA_VIEW - HANA Views for BW Objects

• Message number: 154

• Message text: &1: Hierarchy &2 has several nodes with identical node name

If a hierarchy contains multiple nodes with the same node name (see H
table), it cannot be consumed via the external SAP HANA view for
characteristic with hierarchy. Error message in SAP HANA: 'Multiple
parents not allowed' or 'Invalid cycles'

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.

RS2HANA_VIEW154 - Details

• The SAP error message RS2HANA_VIEW154 indicates that there is an issue with a hierarchy in your SAP system, specifically that there are multiple nodes within the hierarchy that share the same name. This can lead to confusion and errors when trying to process or display the hierarchy.
  
  Cause:
  The error is typically caused by:
  
  Duplicate Node Names: The hierarchy has been defined with multiple nodes that have the same name, which violates the uniqueness requirement for node names within a hierarchy.
  Data Integrity Issues: There may be issues with the data integrity in the underlying data source, leading to duplicate entries.
  Configuration Errors: Incorrect configuration or setup of the hierarchy in the SAP system.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify Duplicate Nodes:
  
  Use transaction codes like RSD1 (Data Warehousing Workbench) to check the hierarchy definition.
  Look for nodes with identical names in the hierarchy structure.
  
  
  
  Rename or Remove Duplicates:
  
  If you find duplicate nodes, you can