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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message USMD1101 - Data model &1: Changes as compared to active version ?

  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: If you have made changes that you want to keep, ensure that you activate the latest version of the data model. This can usually be done in the MDG configuration settings.
  Revert Changes: If the changes are not needed, you can revert to the last active version of the data model.
  Transport Consistency: Ensure that all transports related to the data model have been executed correctly and that the environments are consistent.
  Check Dependencies: Sometimes, other objects or configurations may depend on the data model. Ensure that all dependencies are also updated accordingly.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like MDGIMG to access the configuration settings for Master Data Governance.
  Documentation: Refer to SAP Help documentation for Master Data Governance for detailed steps on managing data models.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to the USMD1101 error message.
  Support: If the issue persists, consider reaching out to SAP support for assistance, especially if it involves complex data model changes or transport issues.
  
  By following these steps, you should be able to resolve the USMD1101 error and ensure that your data model is correctly aligned with the active version in your SAP system.