How To Fix USMD1073 - Data model &1, entity type &2: Additional entity type &3 not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD1 - Datenmodel

• Message number: 073

• Message text: Data model &1, entity type &2: Additional entity type &3 not allowed

What causes this issue?

Leading entity types of entity types with usage #hierarchy name# cannot
be specified as additional entity types of the same hierarchy-defining
entity type.

System Response

The data model cannot be saved.

How to fix this error?

Remove entity type &V3& from the list of additional entity types of the
hierarchy-defining entity type &V2&.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message USMD1073 - Data model &1, entity type &2: Additional entity type &3 not allowed ?

  The SAP error message USMD1073 typically occurs in the context of SAP Master Data Governance (MDG) when there is an issue with the data model configuration, specifically related to entity types. The error message indicates that an additional entity type is not allowed in the specified data model and entity type.
  Cause:
  The error can arise due to several reasons:
  
  Incorrect Configuration: The data model may be incorrectly configured, allowing for an entity type that is not permitted in the context of the specified data model.
  Data Model Restrictions: The data model may have specific restrictions on which entity types can be used together. If you attempt to add an entity type that is not allowed, this error will be triggered.
  Versioning Issues: If there are changes in the data model or entity types that have not been properly updated or synchronized, it may lead to this error.
  Custom Development: If there are custom developments or enhancements that introduce new entity types, they may not be properly integrated into the existing data model.
  
  Solution:
  To resolve the 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 entity types you are trying to use are allowed in the specified context.
  Use transaction code MDGIMG to access the configuration settings and verify the entity types associated with the data model.
  
  
  
  Review Entity Type Relationships:
  
  Check the relationships between the entity types in the data model. Ensure that the additional entity type you are trying to add is compatible with the existing entity types.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for your specific version of MDG to understand the allowed combinations of entity types within the data model.
  
  
  
  Test in Development Environment:
  
  If possible, replicate the issue in a development or test environment to experiment with different configurations without affecting the production system.
  
  
  
  Seek Help from SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP Support for assistance. Provide them with the details of the error message and the context in which it occurs.
  
  
  
  Check for Updates:
  
  Ensure that your SAP system is up to date with the latest patches and updates, as there may be fixes related to this issue in newer versions.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MDGIMG for configuration and MDG_MAINTAIN for data maintenance.
  SAP Notes: Search for SAP Notes related to the error message USMD1073 in the SAP Support Portal for any known issues or fixes.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can provide insights or solutions.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.