How To Fix CNV_PE805 - Mapping entry changed at runtime

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 805

• Message text: Mapping entry changed at runtime

What causes this issue?

Mapping entry was created or changed during runtime.

System Response

Error

How to fix this error?

Restart the desired activity.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE805 - Mapping entry changed at runtime ?

  The SAP error message "CNV_PE805 Mapping entry changed at runtime" typically occurs during data migration or conversion processes, particularly when using the SAP Landscape Transformation (SLT) or SAP Data Services. This error indicates that there has been a change in the mapping configuration while the data migration process is still running, which can lead to inconsistencies or failures in the data transfer.
  Cause:
  
  Dynamic Changes: The mapping entries in the transformation rules or data mapping configuration were modified while the data migration job was executing.
  Concurrent Processes: If multiple processes are trying to access or modify the same mapping entries simultaneously, it can lead to this error.
  Configuration Issues: There may be issues with the configuration of the data migration tool or the mapping itself, leading to unexpected changes.
  
  Solution:
  
  Stabilize Mapping: Ensure that the mapping configuration is stable and not being modified while the data migration process is running. Avoid making changes to the mapping during the execution of the migration job.
  Restart the Process: If the error occurs, you may need to stop the current migration process and restart it after ensuring that the mapping configuration is correct and stable.
  Check Logs: Review the logs for any additional error messages or warnings that could provide more context about what changes were made and when.
  Version Control: Implement version control for your mapping configurations to track changes and revert to a previous stable version if necessary.
  Consult Documentation: Refer to the SAP documentation for the specific data migration tool you are using (e.g., SLT, Data Services) for any additional troubleshooting steps or best practices.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide patches and updates.
  Community Forums: Engage with SAP community forums or support channels where other users may have encountered similar issues and can share their solutions.
  Testing Environment: If possible, replicate the issue in a testing environment to better understand the cause and test potential solutions without impacting production data.
  
  By following these steps, you should be able to address the "CNV_PE805 Mapping entry changed at runtime" error effectively.