How To Fix USMD1178 - Entity type &1 cannot be used for a hierarchy node

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD1 - Datenmodel

• Message number: 178

• Message text: Entity type &1 cannot be used for a hierarchy node

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 USMD1178 - Entity type &1 cannot be used for a hierarchy node ?

  The SAP error message USMD1178 indicates that the entity type specified cannot be used as a hierarchy node in the context of SAP Master Data Governance (MDG). This typically occurs when you are trying to create or manage a hierarchy structure, and the entity type you are using is not configured to be part of a hierarchy.
  Cause:
  
  Entity Type Configuration: The entity type you are trying to use may not be defined as a hierarchy node in the system configuration. In SAP MDG, certain entity types are designated to be used in hierarchies, while others are not.
  Hierarchy Structure: The hierarchy structure you are trying to create or modify may not support the entity type you are using.
  Data Model Issues: There may be issues with the data model configuration that prevent the entity type from being used in a hierarchy.
  
  Solution:
  
  
  Check Entity Type Configuration:
  
  Go to the SAP MDG configuration settings and verify if the entity type you are trying to use is configured to be part of a hierarchy.
  If it is not configured, you may need to adjust the configuration to allow it to be used as a hierarchy node.
  
  
  
  Review Hierarchy Settings:
  
  Ensure that the hierarchy settings in your data model support the entity type you are trying to use.
  You may need to create a new hierarchy or modify an existing one to include the desired entity type.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for Master Data Governance to understand the requirements and limitations regarding entity types and hierarchies.
  
  
  
  Check for Updates:
  
  Ensure that your SAP system is up to date with the latest patches and updates, as there may be fixes or enhancements related to hierarchy management.
  
  
  
  Seek Help from SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance. They can provide guidance based on your specific configuration and requirements.
  
  
  
  Related Information:
  
  SAP MDG Documentation: Review the official SAP MDG documentation for detailed information on entity types, hierarchies, and configuration settings.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Transaction Codes: Familiarize yourself with relevant transaction codes (e.g., MDGIMG for configuration) that can help you navigate the settings related to hierarchies and entity types.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.