How To Fix DMC_GENERAL445 - Migration object &1 existed before, was deleted and recreated

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_GENERAL - MWB: General Messages

• Message number: 445

• Message text: Migration object &1 existed before, was deleted and recreated

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_GENERAL445 - Migration object &1 existed before, was deleted and recreated ?

  The SAP error message DMC_GENERAL445 indicates that a migration object (such as a business object or data entity) was previously created, deleted, and then recreated. This situation can occur during data migration processes, particularly when using tools like SAP Data Migration Cockpit or SAP S/4HANA Migration.
  Cause:
  
  Object Lifecycle: The migration object was initially created, but due to some reason (like a failed migration attempt, manual deletion, or a change in the migration strategy), it was deleted and then recreated.
  Data Consistency: The system detects that the object exists in a state that is inconsistent with the current migration process, leading to this error.
  Duplicate Entries: The system may have remnants of the previous object that conflict with the new instance.
  
  Solution:
  To resolve the DMC_GENERAL445 error, you can follow these steps:
  
  
  Check Object Status:
  
  Verify the status of the migration object in the system. Ensure that it is not in a locked or inconsistent state.
  
  
  
  Delete the Object:
  
  If the object is still present in the system, you may need to delete it completely. This can often be done through the migration cockpit or relevant transaction codes.
  
  
  
  Clear Migration Logs:
  
  Sometimes, clearing the migration logs or cache related to the migration object can help resolve inconsistencies.
  
  
  
  Recreate the Object:
  
  After ensuring that the previous instance is completely removed, recreate the migration object as needed.
  
  
  
  Check for Dependencies:
  
  Ensure that there are no dependencies or references to the deleted object that could be causing the error.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation or notes related to the specific migration process you are using. There may be specific guidelines or patches available.
  
  
  
  Contact SAP Support:
  
  If the issue persists, consider reaching out to SAP support for further assistance. They may provide insights based on the specific context of your migration.
  
  
  
  Related Information:
  
  Migration Cockpit: Familiarize yourself with the SAP Data Migration Cockpit, as it provides tools and guidelines for managing migration objects.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Data Migration Best Practices: Review best practices for data migration to avoid similar issues in the future, such as maintaining a clear migration strategy and ensuring proper object management.
  
  By following these steps, you should be able to resolve the DMC_GENERAL445 error and continue with your migration process.