How To Fix CNV_PE255 - Change of a transfer list storage is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 255

• Message text: Change of a transfer list storage is not allowed

What causes this issue?

Changing a database storage for a transfer list (Cluster Technique <->
Transparent Tables) is <ZH>not </>possible because the transfer list
already contains data.

System Response

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

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_PE255 - Change of a transfer list storage is not allowed ?

  The SAP error message CNV_PE255: Change of a transfer list storage is not allowed typically occurs in the context of data migration or data transfer processes, particularly when using the SAP S/4HANA Migration Cockpit or other data transfer tools. This error indicates that there is an attempt to modify a transfer list storage that is not permitted.
  Cause:
  
  Locked Transfer List: The transfer list may be locked because it is currently being used or has been finalized.
  Incorrect Status: The transfer list might be in a status that does not allow changes (e.g., completed or archived).
  Data Integrity Constraints: There may be constraints in place that prevent changes to the transfer list to maintain data integrity.
  Configuration Issues: There could be configuration settings in the migration cockpit or data transfer tool that restrict changes to the transfer list.
  
  Solution:
  
  Check Transfer List Status: Verify the status of the transfer list. If it is locked or in a completed state, you may need to unlock it or create a new transfer list for further changes.
  Review User Permissions: Ensure that you have the necessary permissions to modify the transfer list. If not, contact your system administrator.
  Use the Correct Process: Follow the correct procedure for modifying or updating the transfer list. If the list is finalized, you may need to create a new entry instead of modifying the existing one.
  Consult Documentation: Refer to the SAP documentation or help resources for the specific data migration tool you are using to understand the limitations and proper usage.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific tool you are using for data transfer.
  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 take appropriate action to resolve it.