How To Fix CNV_10020493 - Relationship data for &1 &2 cannot be copied

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 493

• Message text: Relationship data for &1 &2 cannot be copied

What causes this issue?

Relationship data for &V1& &V2& is meant to be copied. A copy is only
possible if the following conditions are fulfilled:
The source object table must contain data for &V1& &V2&.
No other process is currently processing this data.
The last process that processed data for &V1& &V2& was completed
successfully.
The target object table already (or still) contains data for &V1& &V2&.
The system found that one of these conditions is not fulfilled.

System Response

The data is not copied.

How to fix this error?

Make sure that all conditions listed above are fulfilled, then restart
the copy process.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10020493 - Relationship data for &1 &2 cannot be copied ?

  The SAP error message CNV_10020493, which states "Relationship data for &1 &2 cannot be copied," typically occurs during data migration or conversion processes, particularly when using SAP's data migration tools or during system upgrades. This error indicates that there is an issue with copying relationship data for specific objects (represented by &1 and &2) in the system.
  Causes:
  
  Missing Data: The source data may not contain the necessary relationship data for the specified objects.
  Inconsistent Data: There may be inconsistencies or errors in the source data that prevent it from being copied correctly.
  Configuration Issues: The configuration settings in the SAP system may not allow for the copying of certain relationship data.
  Authorization Issues: The user executing the migration may not have the necessary authorizations to access or copy the relationship data.
  Technical Limitations: There may be technical limitations or restrictions in the migration tool being used.
  
  Solutions:
  
  Check Source Data: Verify that the source data contains the necessary relationship data for the specified objects. Ensure that all required fields are populated correctly.
  Data Consistency: Review the source data for any inconsistencies or errors. Clean up the data as needed to ensure it meets the requirements for migration.
  Configuration Review: Check the configuration settings in the SAP system to ensure that they allow for the copying of relationship data. Adjust settings if necessary.
  User Authorizations: Ensure that the user executing the migration has the appropriate authorizations to access and copy the relationship data.
  Consult Documentation: Refer to the SAP documentation or notes related to the specific migration tool being used for any known issues or additional troubleshooting steps.
  Error Logs: Review the error logs for more detailed information about the error. This may provide insights into what specifically is causing the issue.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. They may have additional insights or patches available for the issue.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide guidance on data migration issues.
  Migration Tools: Familiarize yourself with the specific migration tools being used (e.g., SAP S/4HANA Migration Cockpit, LSMW, etc.) and their documentation for best practices and troubleshooting.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.