How To Fix USMD1057 - Data model &1: Attributes must not be assigned to entity type &2

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD1 - Datenmodel

• Message number: 057

• Message text: Data model &1: Attributes must not be assigned to entity type &2

What causes this issue?

You have assigned attribute &V3& to entity type &V2&.
However, attributes can be assigned only to entity types with storage
and use types <LS>1</> and <LS>4</>.

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 USMD1057 - Data model &1: Attributes must not be assigned to entity type &2 ?

  The SAP error message USMD1057 indicates that there is an issue with the assignment of attributes to an entity type in a data model. Specifically, it states that attributes must not be assigned to the specified entity type. This error typically occurs in the context of SAP Master Data Governance (MDG) when working with data models and entity types.
  Cause:
  The error can arise due to several reasons:
  
  Incorrect Attribute Assignment: Attributes that are not allowed for the specified entity type have been assigned. Each entity type in a data model has specific attributes that are valid for it.
  Data Model Configuration Issues: There may be a misconfiguration in the data model where attributes are incorrectly linked to an entity type.
  Versioning Issues: If there are multiple versions of the data model, the version you are working on may not be aligned with the expected configuration.
  
  Solution:
  To resolve the USMD1057 error, you can follow these steps:
  
  
  Check Attribute Assignment:
  
  Go to the data model configuration in the SAP MDG application.
  Verify the attributes assigned to the entity type mentioned in the error message.
  Ensure that only valid attributes for that entity type are assigned.
  
  
  
  Review Data Model Configuration:
  
  Open the data model in the MDG configuration.
  Check the entity type and its attributes to ensure they are correctly configured.
  Remove any attributes that are not allowed for that entity type.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for the specific data model you are working with. This documentation will provide details on which attributes are valid for each entity type.
  
  
  
  Test Changes:
  
  After making the necessary adjustments, test the data model to ensure that the error no longer occurs.
  
  
  
  Transport Changes:
  
  If you are working in a development environment, ensure that any changes are transported to the appropriate environments (e.g., quality assurance, production) as needed.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  MDG Configuration Guides: Review the configuration guides for SAP MDG to understand the structure and rules governing data models and entity types.
  Community Forums: Engage with SAP community forums or support channels for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the cause of the USMD1057 error and implement the necessary corrections to resolve it.