How To Fix CNV_DMC_MC_EXCEPTION126 - Cannot delete migration object. At least one file was already uploaded

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_MC_EXCEPTION - Exception texts of Migration Object Modeller

• Message number: 126

• Message text: Cannot delete migration object. At least one file was already uploaded

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_MC_EXCEPTION126 - Cannot delete migration object. At least one file was already uploaded ?

  The SAP error message CNV_DMC_MC_EXCEPTION126 indicates that there is an issue with deleting a migration object because at least one file has already been uploaded. This typically occurs in the context of data migration using the SAP Data Migration Cockpit (DMC) or similar tools.
  Cause:
  The error is caused by the following reasons:
  
  Uploaded Files: The migration object you are trying to delete has associated files that have already been uploaded. The system prevents deletion to maintain data integrity.
  Dependencies: There may be dependencies or references to the migration object that prevent its deletion.
  User Permissions: The user may not have the necessary permissions to delete the migration object.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Uploaded Files:
  
  Navigate to the migration object in the SAP Data Migration Cockpit.
  Review the uploaded files associated with the migration object. If you need to delete the migration object, you may need to first delete or archive the uploaded files.
  
  
  
  Delete Uploaded Files:
  
  If you determine that the uploaded files are no longer needed, delete them from the migration object. This can usually be done through the DMC interface.
  After deleting the files, attempt to delete the migration object again.
  
  
  
  Check Dependencies:
  
  Ensure that there are no other dependencies or references to the migration object. If there are, you may need to resolve those before proceeding with the deletion.
  
  
  
  User Permissions:
  
  Verify that you have the necessary permissions to delete migration objects. If not, contact your system administrator to obtain the required access.
  
  
  
  Consult Documentation:
  
  Refer to the official SAP documentation or notes related to the Data Migration Cockpit for any specific instructions or guidelines regarding the deletion of migration objects.
  
  
  
  Contact SAP Support:
  
  If the issue persists after following the above steps, consider reaching out to SAP Support for further assistance. Provide them with the error message and any relevant details about your migration process.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Migration Cockpit Documentation: Review the official SAP documentation for the Data Migration Cockpit for best practices and guidelines on managing migration objects.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can share their solutions.
  
  By following these steps, you should be able to resolve the CNV_DMC_MC_EXCEPTION126 error and successfully manage your migration objects.