How To Fix USMD1237 - Data model &1, entity type &2: Namespace missing

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD1 - Datenmodel

• Message number: 237

• Message text: Data model &1, entity type &2: Namespace missing

What causes this issue?

You must specify a namespace for generating structures so that no
existing dictionary objects are overwritten. The standard namespace
/MDG/ is provided. You can also use your own namespace.

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?

Specify a valid namespace.

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 USMD1237 - Data model &1, entity type &2: Namespace missing ?

  The SAP error message USMD1237 indicates that there is a missing namespace for a specific data model and entity type in the SAP Master Data Governance (MDG) environment. This error typically arises when the system is unable to find the appropriate namespace for the specified entity type in the data model.
  Cause:
  
  Missing Namespace Definition: The namespace for the data model or entity type has not been defined or is incorrectly configured.
  Incorrect Configuration: The data model or entity type may have been incorrectly set up, leading to the absence of a valid namespace.
  Transport Issues: If the data model was transported from another system, the namespace might not have been included in the transport request.
  Custom Development: If there are custom entities or models, they may not have been properly defined in the system.
  
  Solution:
  
  
  Check Namespace Configuration:
  
  Go to the relevant configuration settings in the SAP MDG.
  Ensure that the namespace for the data model and entity type is correctly defined.
  
  
  
  Define Missing Namespace:
  
  If the namespace is missing, you can define it in the relevant configuration area. This typically involves going to the data model configuration and specifying the correct namespace.
  
  
  
  Review Transport Requests:
  
  If the issue arose after a transport, check the transport request to ensure that all necessary objects, including namespaces, were included.
  If not, you may need to re-transport the missing objects.
  
  
  
  Check Custom Development:
  
  If the error is related to custom entities, review the custom development to ensure that the namespaces are correctly defined and activated.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific version of MDG you are using for any additional guidance on namespace configuration.
  
  
  
  Testing:
  
  After making the necessary changes, test the data model and entity type to ensure that the error is resolved.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  MDG Configuration Guide: Review the SAP MDG configuration guide for detailed instructions on setting up data models and namespaces.
  Community Forums: Consider searching or posting in SAP community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the USMD1237 error and ensure that your data model and entity types are correctly configured in SAP MDG.