How To Fix USMD1B051 - Data model &1: SMT mapping could not be imported: &2

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD1B - Meldungen: MDF Anschluss

• Message number: 051

• Message text: Data model &1: SMT mapping could not be imported: &2

What causes this issue?

SMT mapping for distributing a data model is being transported to table
USMD6900. An error occurred while unpacking the data.

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?

Activate the data model again. You want to re-import the transport
request used here into this system.

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 USMD1B051 - Data model &1: SMT mapping could not be imported: &2 ?

  The SAP error message USMD1B051 indicates that there was an issue with importing the SMT (System Mapping Tool) mapping for a specific data model. This error typically occurs in the context of SAP Master Data Governance (MDG) when trying to import or activate a mapping configuration.
  Cause:
  The error can be caused by several factors, including:
  
  Incorrect Mapping Configuration: The mapping configuration might be incorrectly defined or not aligned with the data model.
  Missing Dependencies: There may be missing dependencies or prerequisites that need to be fulfilled before the mapping can be imported.
  Transport Issues: If the mapping is being transported from one system to another, there may be issues with the transport request.
  Authorization Issues: The user attempting to perform the import may not have the necessary authorizations to execute the operation.
  Data Model Issues: The data model itself may have inconsistencies or errors that prevent the mapping from being imported.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  Check Mapping Configuration: Review the SMT mapping configuration to ensure it is correctly defined and matches the expected structure of the data model.
  Verify Dependencies: Ensure that all necessary dependencies and prerequisites for the mapping are in place. This may include checking related data models or configurations.
  Review Transport Requests: If the mapping is being transported, check the transport request for any errors or issues. Ensure that the transport was successful and that all objects were included.
  Check Authorizations: Verify that the user has the necessary authorizations to perform the import. You may need to consult with your SAP security team to ensure proper roles are assigned.
  Analyze Data Model: Check the data model for any inconsistencies or errors. You can use transaction codes like MDGIMG to access the configuration and validate the data model.
  Consult Logs: Look at the application logs (transaction SLG1) for more detailed error messages that can provide additional context on why the import failed.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MDGIMG (for configuration), SLG1 (for application logs), and SE80 (for object navigation).
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for Master Data Governance and the System Mapping Tool for best practices and guidelines on configuration and troubleshooting.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the steps you have already taken.