How To Fix MDG_DT_UI018 - Hierarchy attribute &1 is already defined for the foreign entity &2

MDG_DT_UI018 - Overview

• Message type: E = Error

• Message class: MDG_DT_UI - Messages related to the Configuration Workbench UI

• Message number: 018

• Message text: Hierarchy attribute &1 is already defined for the foreign entity &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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_DT_UI018 - Hierarchy attribute &1 is already defined for the foreign entity &2 ?

  The SAP error message MDG_DT_UI018 typically occurs in the context of Master Data Governance (MDG) when there is an issue with the definition of hierarchy attributes in the data model. This error indicates that a hierarchy attribute is already defined for a foreign entity, which means that there is a conflict in the data model configuration.
  
  Cause:
  The error can arise due to several reasons:
  
  Duplicate Hierarchy Attributes: The hierarchy attribute you are trying to define is already associated with another entity or is defined multiple times within the same context.
  Incorrect Configuration: There may be a misconfiguration in the data model where the same attribute is being referenced incorrectly.
  Data Model Changes: If there have been recent changes to the data model, such as adding or modifying hierarchy attributes, it may lead to conflicts if not handled properly.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Existing Definitions:
  
  Review the data model configuration to