How To Fix USMD1101 - Data model &1: Changes as compared to active version

USMD1101 - Overview

• Message type: E = Error

• Message class: USMD1 - Datenmodel

• Message number: 101

• Message text: Data model &1: Changes as compared to active version

What causes this issue?

There is an active version of data model &V1&. This means that the data
model has already been activated, and database tables have been
generated for storing the master data. You can therefore only make
limited changed to the data model.
In the definition of data model &V1&, changes have been made (as
compared to the active version) that could lead to loss of data in the
generated database tables. The changes are described in detail in the f
ollowing system messages.

System Response

If there are error messages, the changes to the data model cannot be
saved for security reasons. If there are only warnings, the changes can
be saved.

How to fix this error?

Check if the changes to the data model can be made without loss of data.

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.

USMD1101 - Details

• The SAP error message USMD1101 indicates that there are changes in the data model compared to the active version. This typically occurs in the context of SAP Master Data Governance (MDG) when there are discrepancies between the data model you are trying to use and the currently active version in the system.
  
  Cause:
  
  Data Model Changes: The data model has been modified (e.g., fields added, removed, or changed) since the last active version was saved.
  Versioning Issues: You may be trying to activate or use a version of the data model that is not aligned with the active version.
  Transport Issues: If changes were transported from a development environment to a production environment, there may be inconsistencies if the transport was not executed properly.
  
  
  Solution:
  
  Review Changes: Check the changes made to the data model. You can do this by comparing the current version with the active version to identify what has changed.
  Activate the Latest Version: