How To Fix USMD1238 - Data model &1, entity type &2: No structure specified

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD1 - Datenmodel

• Message number: 238

• Message text: Data model &1, entity type &2: No structure specified

What causes this issue?

The user must specify a name for the structure that is to be generated.
When selecting the structure usage, a structure name is automatically
proposed.

System Response

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

How to fix this error?

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 USMD1238 - Data model &1, entity type &2: No structure specified ?

  The SAP error message USMD1238 typically indicates that there is an issue with the data model configuration in the SAP Master Data Governance (MDG) environment. Specifically, the error message states that for a given data model and entity type, no structure has been specified. This can occur during the configuration or activation of a data model or when trying to use a specific entity type without a defined structure.
  Cause:
  
  Missing Structure Definition: The most common cause of this error is that the structure for the specified entity type has not been defined in the data model configuration.
  Incorrect Configuration: There may be an issue with the configuration settings in the MDG customizing, where the entity type is not properly linked to its corresponding structure.
  Transport Issues: If the data model was transported from one system to another, there might be missing components or inconsistencies in the transport.
  
  Solution:
  
  
  Check Data Model Configuration:
  
  Go to the MDG customizing transaction (usually SPRO).
  Navigate to the relevant data model and check the configuration for the specified entity type.
  Ensure that a structure is assigned to the entity type in question.
  
  
  
  Define Structure:
  
  If no structure is defined, you will need to create or assign a structure to the entity type.
  This can be done by defining a new structure in the ABAP Dictionary (transaction SE11) and then linking it to the entity type in the MDG configuration.
  
  
  
  Review Transport Requests:
  
  If the issue arose after a transport, check the transport logs to ensure that all necessary components were included and correctly imported.
  If needed, re-transport the missing components.
  
  
  
  Check for Dependencies:
  
  Ensure that all dependencies for the data model and entity type are correctly set up. This includes checking for any related entities or structures that may also need to be defined.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific version of MDG you are using, as there may be version-specific considerations or known issues.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SPRO for customizing, SE11 for data dictionary objects, and MDGIMG for MDG-specific configuration.
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message USMD1238.
  Community Forums: Consider searching or posting in SAP community forums for additional insights or similar experiences from other users.
  
  By following these steps, you should be able to identify and resolve the issue causing the USMD1238 error message in your SAP MDG environment.