How To Fix MDG_DT_UI002 - Model header does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_DT_UI - Messages related to the Configuration Workbench UI

• Message number: 002

• Message text: Model header does not exist

What causes this issue?

No model header details exist for the data model being edited. A model
header includes a model name and description details.

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?

Enter model header details first. Later edit the other objects of the
data model such as entities, attributes and so on.

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 MDG_DT_UI002 - Model header does not exist ?

  The SAP error message MDG_DT_UI002: Model header does not exist typically occurs in the context of SAP Master Data Governance (MDG) when trying to access or manipulate a data model that has not been properly defined or is missing in the system. This error can arise in various scenarios, such as when creating or editing master data.
  Causes:
  
  Missing Model Definition: The data model you are trying to access may not be defined in the system. This could happen if the model was deleted or never created.
  Incorrect Configuration: There may be issues with the configuration settings in the MDG system, leading to the model not being recognized.
  Authorization Issues: The user may not have the necessary authorizations to access the model, leading to the system not being able to retrieve the model header.
  Transport Issues: If the model was recently transported from another system, there may have been issues during the transport process that caused the model to not be available.
  
  Solutions:
  
  
  Check Model Definition:
  
  Go to the MDG configuration and verify that the model you are trying to access is defined correctly.
  Use transaction code MDGIMG to navigate to the relevant configuration settings and ensure the model exists.
  
  
  
  Review Configuration Settings:
  
  Ensure that all necessary settings for the data model are correctly configured. This includes checking the data model's status and ensuring it is active.
  
  
  
  Authorization Check:
  
  Verify that the user has the necessary authorizations to access the data model. This can be done by checking the user's roles and authorizations in the system.
  
  
  
  Transport Check:
  
  If the model was recently transported, check the transport logs for any errors or issues that may have occurred during the transport process.
  Ensure that all necessary objects related to the model were included in the transport request.
  
  
  
  System Logs:
  
  Check the system logs (transaction code SLG1) for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  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: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Community Forums: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  SAP Help Portal: The SAP Help Portal can provide detailed information on configuring and managing data models in MDG.
  
  If the issue persists after trying the above solutions, it may be necessary to engage with SAP support for further assistance.