How To Fix CNV_MBT474 - No users locked, no system message generated

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT - PCL message class

• Message number: 474

• Message text: No users locked, no system message generated

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_MBT474 - No users locked, no system message generated ?

  The SAP error message CNV_MBT474 typically indicates that there are no users locked in the system, and as a result, no system message has been generated. This message is often encountered during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
  Cause:
  
  No Users Locked: The primary cause of this message is that the system did not find any users that were locked during the migration or conversion process. This could happen if the migration process is not set up to lock users or if the users are already in an unlocked state.
  Configuration Issues: There may be configuration issues in the migration settings that prevent the locking of users.
  Process Execution: The process that is supposed to lock users may not have been executed correctly or may have been skipped.
  
  Solution:
  
  Check User Lock Status: Verify the status of users in the system. You can do this by checking the user management transactions (e.g., SU01) to see if any users are indeed locked.
  Review Migration Settings: Ensure that the migration settings are correctly configured to lock users as needed. This may involve checking the parameters or options set in the migration cockpit or tool you are using.
  Manual Locking: If necessary, you can manually lock users before starting the migration process. This can be done through transaction SU01 by selecting the user and choosing the lock option.
  Consult Documentation: Refer to the SAP documentation related to the specific migration or conversion process you are using. There may be specific steps or prerequisites that need to be followed.
  Check Logs: Review the logs generated during the migration process for any additional information or warnings that might indicate why users were not locked.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SU01 (User Maintenance), SU10 (Mass User Maintenance), and others that may help in managing user statuses.
  SAP Notes: Check for any SAP Notes related to the CNV_MBT474 message or the specific migration tool you are using. SAP Notes often provide insights into known issues and their resolutions.
  Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if you suspect a bug or a deeper issue with the migration tool.
  
  By following these steps, you should be able to address the CNV_MBT474 error message effectively.