How To Fix USMD1028 - Data model &1, &2 &3: Selected name invalid; adhere to naming convention

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD1 - Datenmodel

• Message number: 028

• Message text: Data model &1, &2 &3: Selected name invalid; adhere to naming convention

What causes this issue?

The names of entity types, attributes, relationships, and hierarchy
attributes must fulfill the following prerequisites:
The names must start with a letter, but <zh>not</> with USMD or MDG_.
They can only contain digits, letters, and '_' (underscores).
The strings MANDT, LANGU, SID, TXTLG, TXTMI, and TXTSH must <ZH>not</>
be used.

System Response

The data model cannot be saved.

How to fix this error?

Use a name that fulfills the aforementioned prerequisites.

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 USMD1028 - Data model &1, &2 &3: Selected name invalid; adhere to naming convention ?

  The SAP error message USMD1028 typically occurs in the context of SAP Master Data Governance (MDG) when there is an issue with the naming convention of a data model or an entity. This error indicates that the name you have selected for a data model or entity does not adhere to the required naming conventions set by SAP.
  Cause:
  The error is triggered when:
  
  The name of the data model or entity contains invalid characters (e.g., special characters, spaces).
  The name does not meet the length requirements (too short or too long).
  The name does not follow the specific naming conventions defined in your SAP system (e.g., starting with a letter, using only alphanumeric characters).
  
  Solution:
  To resolve the USMD1028 error, you can take the following steps:
  
  
  Check Naming Conventions: Review the naming conventions specified in your SAP MDG configuration. Ensure that the name you are trying to use adheres to these conventions.
  
  
  Modify the Name: Change the name of the data model or entity to comply with the naming rules. Here are some general guidelines:
  
  Use only alphanumeric characters (A-Z, a-z, 0-9).
  Avoid special characters (e.g., @, #, $, %, &, etc.).
  Ensure the name starts with a letter.
  Check the length of the name; it should be within the allowed limits (usually between 1 and 30 characters, but this can vary).
  
  
  
  Test the Changes: After modifying the name, try to save or activate the data model or entity again to see if the error persists.
  
  
  Consult Documentation: If you are unsure about the naming conventions, refer to the SAP documentation or guidelines specific to your version of MDG.
  
  
  Seek Help from SAP Support: If you continue to experience issues, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  
  Related Information:
  
  SAP MDG Documentation: Review the official SAP documentation for Master Data Governance for detailed information on naming conventions and best practices.
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP MDG that may help you manage data models and entities (e.g., MDGIMG for configuration).
  Community Forums: Engage with SAP community forums or user groups where you can find discussions related to similar issues and solutions shared by other users.
  
  By following these steps, you should be able to resolve the USMD1028 error and successfully create or modify your data model or entity in SAP MDG.