How To Fix CNV_DMC_WDA031 - Cannot deactivate migration object &1; data was already transferred

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_WDA - Messages used in WDA UI

• Message number: 031

• Message text: Cannot deactivate migration object &1; data was already transferred

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_WDA031 - Cannot deactivate migration object &1; data was already transferred ?

  The SAP error message CNV_DMC_WDA031 indicates that there is an attempt to deactivate a migration object that has already had its data transferred. This typically occurs in the context of data migration projects, particularly when using the SAP Data Migration Cockpit or similar tools.
  Cause:
  The error arises when:
  
  You try to deactivate a migration object that has already been processed and data has been transferred to the target system.
  The system maintains a status for migration objects, and once data is transferred, the object cannot be deactivated to ensure data integrity and consistency.
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Check Migration Status: Verify the status of the migration object in question. If data has already been transferred, you may need to leave the object active.
  
  
  Review Migration Logs: Look at the migration logs to confirm that the data transfer was successful and to understand the current state of the migration object.
  
  
  Consult Documentation: Refer to the SAP documentation or guides related to the specific migration project you are working on. There may be specific instructions on how to handle migration objects after data transfer.
  
  
  Contact SAP Support: If you believe that the migration object should be deactivatable and you are encountering this error unexpectedly, consider reaching out to SAP support for assistance.
  
  
  Data Cleanup: If you need to deactivate the object for a valid reason (e.g., a mistake in the migration), you may need to clean up the data in the target system before attempting to deactivate the migration object.
  
  
  Related Information:
  
  Migration Objects: These are defined structures that represent the data to be migrated from one system to another. Each migration object has a lifecycle that includes activation, data transfer, and deactivation.
  SAP Data Migration Cockpit: This tool is used for data migration in SAP systems, providing functionalities to manage migration objects and data transfer processes.
  Error Handling: Familiarize yourself with common error messages and their resolutions in the context of SAP data migration to streamline troubleshooting.
  
  By following these steps, you should be able to address the CNV_DMC_WDA031 error effectively.