How To Fix USMD1A003 - Data model &1: &2 has no hierarchy

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD1A - Messages: Abstraction Layer

• Message number: 003

• Message text: Data model &1: &2 has no hierarchy

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message USMD1A003 - Data model &1: &2 has no hierarchy ?

  The SAP error message USMD1A003 indicates that a specific data model does not have a defined hierarchy. This error typically occurs in the context of SAP Master Data Governance (MDG) when you are trying to work with a data model that requires a hierarchy structure, but none has been defined.
  Cause:
  
  Missing Hierarchy Definition: The primary cause of this error is that the data model specified does not have a hierarchy defined for the relevant entity or attribute.
  Configuration Issues: There may be issues in the configuration of the data model or the hierarchy settings in the SAP MDG system.
  Data Model Inconsistency: The data model might be incomplete or incorrectly set up, leading to the absence of a hierarchy.
  
  Solution:
  
  
  Define Hierarchy:
  
  Go to the SAP MDG configuration settings.
  Navigate to the relevant data model and check if a hierarchy is defined for the entity in question.
  If not, create and define the necessary hierarchy structure.
  
  
  
  Check Configuration:
  
  Ensure that the data model is correctly configured in the system.
  Verify that all necessary settings related to hierarchies are properly set up.
  
  
  
  Use Transaction Codes:
  
  You can use transaction codes like MDGIMG to access the configuration settings for MDG.
  Check the relevant settings under the "Data Model" section.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help guides specific to your version of MDG for detailed steps on defining hierarchies.
  
  
  
  Testing:
  
  After making changes, test the data model again to ensure that the hierarchy is recognized and the error does not occur.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered and resolved similar issues.
  Training and Documentation: Consider reviewing training materials or documentation related to SAP MDG and data modeling to better understand how hierarchies work within the system.
  
  By following these steps, you should be able to resolve the error message USMD1A003 and ensure that your data model has the necessary hierarchy defined.