How To Fix USMD1047 - Data model &1, entity type &2: Leading entity type &3 cannot be assigned

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD1 - Datenmodel

• Message number: 047

• Message text: Data model &1, entity type &2: Leading entity type &3 cannot be assigned

What causes this issue?

For entity types with storage and use type <LS>3</> for which the check
table is predefined by the data element or domain, the other key fields
in the check table must be mapped using relationships with <LS>Leading
</> as the relationship type. The assignment between the leading entity
type and the additional key field can only be made if the data element
or the related check table can be assigned uniquely. In this case, a
unique assignment is <ZH>not</> possible.

System Response

The data model cannot be saved or activated.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message USMD1047 - Data model &1, entity type &2: Leading entity type &3 cannot be assigned ?

  The SAP error message USMD1047 typically occurs in the context of SAP Master Data Governance (MDG) when there is an issue with the assignment of entity types in a data model. This error indicates that there is a problem with the relationship between the leading entity type and the other entity types in the data model.
  Cause:
  The error message USMD1047 is triggered when:
  
  Invalid Assignment: The leading entity type cannot be assigned to the specified entity type due to a violation of the data model's structure or rules.
  Hierarchy Issues: There may be issues with the hierarchy or relationships defined between the entity types, such as circular references or incorrect parent-child relationships.
  Configuration Errors: There may be configuration errors in the data model setup, such as missing or incorrectly defined relationships between the leading entity type and the other entity types.
  
  Solution:
  To resolve the USMD1047 error, you can take the following steps:
  
  
  Check Data Model Configuration:
  
  Review the configuration of the data model in the SAP MDG system. Ensure that the leading entity type is correctly defined and that its relationships with other entity types are valid.
  
  
  
  Validate Entity Relationships:
  
  Verify the relationships between the leading entity type and the other entity types. Ensure that the hierarchy is correctly defined and that there are no circular references.
  
  
  
  Review Entity Type Definitions:
  
  Check the definitions of the entity types involved. Ensure that they are correctly configured and that all required fields and attributes are defined.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for Master Data Governance to understand the specific requirements and constraints for entity type assignments.
  
  
  
  Use Transaction Codes:
  
  Use transaction codes like MDGIMG to access the implementation guide and check the configuration settings related to the data model.
  
  
  
  Testing:
  
  After making changes, test the data model to ensure that the error is resolved and that the entity types can be assigned correctly.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists, consider reaching out to SAP support for further assistance. Provide them with the details of the error message and the steps you have taken to troubleshoot.
  
  
  
  Related Information:
  
  SAP Master Data Governance (MDG): A solution for managing master data across the enterprise, ensuring data quality and consistency.
  Entity Types: In SAP MDG, entity types represent different categories of master data, such as customers, vendors, or materials.
  Data Model: A structured representation of the master data entities and their relationships within the MDG framework.
  
  By following these steps, you should be able to identify and resolve the underlying issue causing the USMD1047 error in your SAP MDG system.