How To Fix USMD1509 - Model &1, hierarchy attribute from ref. &2 used for diff. ref. entities

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD1 - Datenmodel

• Message number: 509

• Message text: Model &1, hierarchy attribute from ref. &2 used for diff. ref. entities

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message USMD1509 - Model &1, hierarchy attribute from ref. &2 used for diff. ref. entities ?

  The SAP error message USMD1509 typically occurs in the context of SAP Master Data Governance (MDG) when there is an issue with the hierarchy attributes of a model. This error indicates that a hierarchy attribute from a reference entity is being used for different reference entities, which is not allowed.
  Cause:
  The error message USMD1509 is triggered when:
  
  A hierarchy attribute defined in a model is being referenced in a way that it is associated with multiple different reference entities.
  The system expects that each hierarchy attribute should be uniquely associated with a single reference entity to maintain data integrity and consistency.
  
  Solution:
  To resolve the USMD1509 error, you can take the following steps:
  
  
  Check the Model Configuration:
  
  Review the configuration of the model in question (indicated by &1 in the error message).
  Ensure that the hierarchy attributes are correctly assigned to the appropriate reference entities (indicated by &2).
  
  
  
  Correct the Hierarchy Attribute Assignment:
  
  If a hierarchy attribute is incorrectly assigned to multiple reference entities, you will need to reassign it so that each hierarchy attribute is linked to only one reference entity.
  This may involve modifying the data model or the configuration settings in the MDG.
  
  
  
  Validate Data Consistency:
  
  After making changes, validate the data model to ensure that all hierarchy attributes are correctly configured and that there are no further conflicts.
  
  
  
  Test the Changes:
  
  Once adjustments are made, test the changes in a development or test environment to ensure that the error is resolved and that the model behaves as expected.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on configuring hierarchy attributes in your version of SAP MDG.
  
  
  
  Seek Support:
  
  If the issue persists, consider reaching out to SAP support or consulting with an SAP MDG expert for further assistance.
  
  
  
  Related Information:
  
  SAP MDG Documentation: Review the official SAP documentation for Master Data Governance to understand the configuration of models and hierarchy attributes.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  Transaction Codes: Familiarize yourself with relevant transaction codes (like MDGIMG) that can help you navigate the configuration settings in SAP MDG.
  
  By following these steps, you should be able to identify the root cause of the USMD1509 error and implement the necessary changes to resolve it.