How To Fix USMD1234 - Data model &1, entity type &2: Structure name &3 is too long

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD1 - Datenmodel

• Message number: 234

• Message text: Data model &1, entity type &2: Structure name &3 is too long

What causes this issue?

The combination of structure name and namespace must not exceed 20
characters.

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?

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 USMD1234 - Data model &1, entity type &2: Structure name &3 is too long ?

  The SAP error message USMD1234 typically indicates that there is an issue with the length of a structure name in the context of a data model and entity type. This error is often encountered in the SAP Master Data Governance (MDG) environment when the structure name exceeds the allowed character limit.
  Cause:
  The error is caused by the structure name (denoted as &3 in the error message) exceeding the maximum length allowed by SAP. In SAP, structure names usually have a limit of 30 characters. If the name you are trying to use is longer than this limit, the system will throw this error.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Structure Name Length: Review the structure name you are using for the entity type (denoted as &2). Ensure that it does not exceed the maximum length of 30 characters.
  
  
  Rename Structure: If the structure name is too long, consider renaming it to a shorter, more concise name that still conveys the necessary information. Ensure that the new name adheres to the naming conventions and length restrictions of SAP.
  
  
  Update Data Model: After renaming the structure, update the data model accordingly to reflect the changes. This may involve updating references to the structure in various parts of your configuration.
  
  
  Test Changes: After making the necessary changes, test the data model to ensure that the error no longer occurs and that the system behaves as expected.
  
  
  Documentation: Document the changes made to the structure name and any related configurations for future reference and to maintain clarity in your development environment.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or updates regarding this error message.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have implemented.
  MDG Documentation: Review the official SAP Master Data Governance documentation for best practices on naming conventions and data model design.
  
  By following these steps, you should be able to resolve the USMD1234 error and ensure that your data model is correctly configured.