How To Fix USMD2252 - Entity type &2: Lead column &1 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD2 - Master Data: UI Modeling

• Message number: 252

• Message text: Entity type &2: Lead column &1 does not exist

What causes this issue?

You want to define a table for entity type &V2&. However, the system
noticed that the table has no column for entity type &V1&. Entity type
&V1& is a higher-level field (key field) for entity type &V2& and
therefore must be specified.

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?

Define all higher-level entity types of entity type &V2& as columns in
the table.

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 USMD2252 - Entity type &2: Lead column &1 does not exist ?

  The SAP error message USMD2252 indicates that there is an issue with a specific entity type and column in the context of SAP Master Data Governance (MDG). The error message typically means that the system is trying to access a column (in this case, "Lead column &1") for a specified entity type (indicated by "&2"), but that column does not exist in the database or data model.
  Cause:
  
  Column Not Defined: The lead column specified in the error message may not be defined in the data model for the entity type.
  Data Model Changes: If there have been recent changes to the data model (e.g., adding or removing fields), the system may not be updated to reflect these changes.
  Configuration Issues: There may be configuration issues in the MDG settings that are causing the system to look for a non-existent column.
  Transport Issues: If the data model was transported from one system to another, there may have been issues during the transport that led to missing definitions.
  
  Solution:
  
  Check Data Model: Verify that the lead column specified in the error message is correctly defined in the data model for the entity type. You can do this by checking the data model configuration in the MDG application.
  Update Data Model: If the column is missing, you may need to add it to the data model or correct any discrepancies.
  Re-activate Data Model: If changes were made, re-activate the data model to ensure that all changes are applied correctly.
  Check Configuration: Review the configuration settings in the MDG to ensure that everything is set up correctly and that there are no missing links or references.
  Transport Check: If the issue arose after a transport, check the transport logs for any errors and ensure that all necessary objects were transported correctly.
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of MDG you are using for any known issues or additional troubleshooting steps.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to the error message USMD2252. SAP frequently releases notes that address specific error messages and provide guidance on how to resolve them.
  MDG Configuration Guide: Review the MDG configuration guide for your version to ensure that all necessary steps have been followed in setting up the data model and entity types.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  If the problem persists after following these steps, it may be beneficial to reach out to SAP support for further assistance.