How To Fix DMCLG426 - Migration object &1 is invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: DMCLG - DMC Tool Development

• Message number: 426

• Message text: Migration object &1 is invalid

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMCLG426 - Migration object &1 is invalid ?

  The SAP error message DMCLG426, which states "Migration object &1 is invalid," typically occurs during data migration processes in SAP systems, particularly when using tools like the Data Migration Cockpit or similar functionalities. This error indicates that the specified migration object is not recognized or is not valid in the context of the operation being performed.
  Causes:
  
  Incorrect Migration Object: The migration object specified may not exist or may have been deleted or modified.
  Configuration Issues: There may be issues with the configuration of the migration object in the system.
  Authorization Issues: The user may not have the necessary authorizations to access or use the specified migration object.
  Version Mismatch: The migration object may not be compatible with the version of the SAP system being used.
  Data Model Changes: Changes in the underlying data model or structure may render the migration object invalid.
  
  Solutions:
  
  Verify Migration Object: Check if the migration object specified in the error message exists and is correctly defined in the system. You can do this by navigating to the relevant transaction or using the Data Migration Cockpit.
  Check Configuration: Ensure that the migration object is properly configured and that all necessary settings are in place.
  User Authorizations: Verify that the user executing the migration has the appropriate authorizations to access the migration object.
  Update or Recreate Migration Object: If the migration object is outdated or invalid, consider updating it or recreating it as needed.
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration object for any known issues or additional configuration steps.
  System Compatibility: Ensure that the migration object is compatible with the version of SAP you are using. If there are version discrepancies, you may need to update your system or the migration object.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the migration object in question.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as LTMC (for the Migration Cockpit) or LTMOM (for the Migration Object Modeler) to manage migration objects effectively.
  Documentation: Review the official SAP Help documentation for detailed guidance on data migration processes and troubleshooting.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.