How To Fix CNV_DMC_MC_EXCEPTION229 - Object was created in client that no longer exists; see long text

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 229

• Message text: Object was created in client that no longer exists; see long text

What causes this issue?

It is not possible to edit this migration object as it was created in a
client that no longer exists.
You can change the client registration via ...
< text to be finalized later >

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

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 CNV_DMC_MC_EXCEPTION229 - Object was created in client that no longer exists; see long text ?

  The SAP error message CNV_DMC_MC_EXCEPTION229 indicates that an object was created in a client that no longer exists in the system. This typically occurs during data migration or system conversion processes, particularly when using the SAP Data Migration Cockpit (DMC) or similar tools.
  Cause:
  
  Client Deletion: The client in which the object was created has been deleted or is no longer available in the SAP system.
  Transport Issues: The object may have been transported from one client to another, and the original client was deleted or is not accessible.
  Configuration Changes: Changes in the system landscape, such as client refreshes or system copies, may lead to inconsistencies where objects reference a non-existent client.
  
  Solution:
  
  Check Client Existence: Verify if the client in which the object was created still exists. You can do this by checking the client list in the SAP system.
  Recreate the Object: If the client has been deleted and the object is still needed, you may need to recreate the object in an existing client.
  Adjust Transport Requests: If the object was part of a transport request, ensure that the transport is correctly configured and that the target client is available.
  Review Migration Settings: If this error occurs during a migration process, review the migration settings and ensure that all necessary clients and objects are correctly configured.
  Consult SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on handling it.
  
  Related Information:
  
  Long Text: The long text of the error message may provide additional context or specific instructions on how to resolve the issue.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if this error is impacting critical business processes.
  Documentation: Review the documentation for the SAP Data Migration Cockpit or any relevant migration tools you are using, as they may contain troubleshooting steps specific to this error.
  
  Best Practices:
  
  Regularly back up your clients and objects to avoid data loss.
  Maintain a clear documentation of client configurations and changes to facilitate troubleshooting.
  Implement a change management process to track modifications in the system landscape.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.