How To Fix CNV_10030071 - If you execute the activity again; messages of the last run do not appear

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10030 - Message class for package 10030

• Message number: 071

• Message text: If you execute the activity again; messages of the last run do not appear

&HINTS&
If you execute this activity once again, all existing entries remain
intact. The system only makes new assignments for <zh>added</>
components of non-transparent fields. <zh>So, you don't get the messages
of previous executions.</>
If you want to redo the automatic assignment for specific components of
non-transparent fields, you first have to delete the assignments already
made in the activity <ZK>Edit Settings for Non-transparent Fields</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10030071 - If you execute the activity again; messages of the last run do not appear ?

  The SAP error message CNV_10030071 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that the system has detected that the activity you are trying to execute has already been run previously, and as a result, it is not displaying the messages from the last run.
  Cause:
  
  Previous Execution: The activity you are trying to execute has already been completed in the current session, and the system is designed not to show the messages from the last execution again.
  Session Management: The system may have session management rules that prevent the display of previous messages to avoid confusion or redundancy.
  Data Locking: There may be data locking issues or inconsistencies that prevent the system from re-executing the activity properly.
  
  Solution:
  
  Check Previous Runs: Review the logs or results of the previous execution to understand what was processed. You can usually find this in the transaction logs or the migration cockpit.
  Reset the Activity: If you need to re-run the activity, you may need to reset or clear the previous execution results. This can often be done through the migration cockpit or relevant transaction codes.
  Use a New Session: Try executing the activity in a new session or after logging out and back in to the system. This can sometimes clear any session-related issues.
  Consult Documentation: Refer to the specific documentation for the migration tool you are using, as there may be specific steps or considerations for handling this error.
  Contact Support: If the issue persists, consider reaching out to SAP support or your internal SAP team for further assistance, especially if this is part of a larger migration project.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that can help you monitor or manage migration activities, such as LTMC for the Migration Cockpit.
  SAP Notes: Check for any SAP Notes related to the specific migration tool or error message, as they may provide additional insights or patches.
  Best Practices: Follow best practices for data migration, including thorough testing in a development or sandbox environment before executing in production.
  
  By following these steps, you should be able to address the CNV_10030071 error and proceed with your data migration activities.