How To Fix MDG_DT_DATA_MODEL021 - Model name &1 already exists; provide any other name

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_DT_DATA_MODEL - Messages for the Configuration Workbench Model Access API

• Message number: 021

• Message text: Model name &1 already exists; provide any other name

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_DT_DATA_MODEL021 - Model name &1 already exists; provide any other name ?

  The SAP error message MDG_DT_DATA_MODEL021 indicates that you are trying to create a data model in SAP Master Data Governance (MDG) with a name that already exists in the system. This error typically occurs when you attempt to define a new data model with a name that is already in use, which violates the uniqueness constraint for data model names.
  Cause:
  
  The primary cause of this error is that the data model name you are trying to use is already taken by another existing data model in the system. Each data model in SAP MDG must have a unique name to avoid conflicts and ensure proper data governance.
  
  Solution:
  
  
  Check Existing Data Models: 
  
  Before creating a new data model, check the list of existing data models in your SAP MDG system. You can do this by navigating to the relevant transaction or using the appropriate SAP Fiori app to view existing data models.
  
  
  
  Choose a Different Name: 
  
  If you find that the name you intended to use is already taken, you will need to select a different, unique name for your new data model. Ensure that the new name adheres to any naming conventions your organization may have.
  
  
  
  Modify Existing Data Model (if applicable): 
  
  If the existing data model is no longer needed, you may consider modifying or deleting it (if you have the necessary permissions and it is appropriate to do so). However, be cautious with this approach, as it may impact other processes or data governance activities.
  
  
  
  Consult Documentation: 
  
  Refer to the SAP documentation or help resources for guidelines on naming conventions and best practices for creating data models in MDG.
  
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like MDGIMG to access the MDG implementation guide, where you can manage data models.
  SAP Notes: Check for any relevant SAP Notes that might provide additional insights or updates related to data model management in MDG.
  User Permissions: Ensure that you have the necessary permissions to create or modify data models in the system.
  Naming Conventions: Familiarize yourself with any specific naming conventions or guidelines established by your organization to avoid similar issues in the future.
  
  By following these steps, you should be able to resolve the error and successfully create a new data model in SAP MDG.