How To Fix USMD1127 - Data model &1, entity type &2: No structure found for reference attribute

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD1 - Datenmodel

• Message number: 127

• Message text: Data model &1, entity type &2: No structure found for reference attribute

What causes this issue?

You have attempted to generate a structure for entity type &V4& in data
model &V1&.
The quantity or amount &V2& in this entity type references a unit of
measure or currency that is defined in entity type &V3&.
However, you have not entered the structure for entity type &V3& in the
list of structures to be generated. Therefore, the system has not
generated a structure for entity type &V3&.

System Response

The system cannot generate the structure for entity type &V4&.

How to fix this error?

Enter the structure for entity type &V3& in the list of structures to be
generated.

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 USMD1127 - Data model &1, entity type &2: No structure found for reference attribute ?

  The SAP error message USMD1127 indicates that there is an issue with a data model in SAP Master Data Governance (MDG). Specifically, it states that for a given data model and entity type, no structure was found for a reference attribute. This typically occurs when the system is unable to locate the necessary structure definition for a reference attribute in the specified data model.
  Cause:
  
  Missing Structure Definition: The most common cause is that the structure definition for the reference attribute is missing or not properly defined in the data model.
  Incorrect Configuration: There may be an issue with the configuration of the data model or the entity type, leading to the system being unable to find the required structure.
  Transport Issues: If the data model was transported from one system to another, there may have been issues during the transport process that resulted in missing components.
  Versioning Issues: If there are multiple versions of the data model or entity type, the system may be referencing an outdated or incorrect version.
  
  Solution:
  
  Check Structure Definitions: Verify that the structure for the reference attribute is correctly defined in the data model. You can do this by navigating to the relevant data model in the SAP MDG configuration and checking the attributes.
  Review Configuration: Ensure that the configuration for the data model and entity type is correct. Check for any inconsistencies or errors in the configuration settings.
  Transport Validation: If the data model was recently transported, check the transport logs for any errors or warnings. Ensure that all necessary components were included in the transport.
  Recreate or Adjust the Structure: If the structure is missing, you may need to recreate it or adjust the existing structure to ensure it aligns with the reference attribute.
  Check for Updates: Ensure that your SAP system is up to date with the latest support packages and notes, as there may be fixes or enhancements related to this issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the error message USMD1127 for any specific guidance or patches that may address the issue.
  MDG Documentation: Review the SAP Master Data Governance documentation for best practices on defining data models and structures.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed, and solutions shared by other users.
  
  If the issue persists after following these steps, it may be beneficial to reach out to SAP support for further assistance.