How To Fix CNV_MBT473 - System message created; user locking processes started in the background

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT - PCL message class

• Message number: 473

• Message text: System message created; user locking processes started in the background

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_MBT473 - System message created; user locking processes started in the background ?

  The SAP error message CNV_MBT473 indicates that a system message has been created, and user locking processes have started in the background. This message is typically associated with data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
  Cause:
  
  Data Migration Process: The error often occurs during data migration activities where the system is trying to lock certain objects or records to ensure data integrity.
  Concurrency Issues: If multiple processes are trying to access or modify the same data simultaneously, it can lead to locking issues.
  Long-Running Transactions: If a transaction takes too long to complete, it may trigger background locking processes to prevent data inconsistencies.
  Configuration Issues: Incorrect configuration in the migration settings or parameters can also lead to this error.
  
  Solution:
  
  Check Background Jobs: Review the background jobs running in the system to identify any long-running processes that may be causing the locking.
  Monitor Lock Entries: Use transaction code SM12 to check for lock entries. If there are unnecessary locks, you may need to release them.
  Optimize Migration Process: If the migration process is taking too long, consider optimizing it by breaking it into smaller batches or reviewing the data being migrated.
  Review Configuration: Ensure that the migration cockpit or tool is correctly configured. Check for any settings that may be causing excessive locking.
  System Performance: Monitor system performance to ensure that it can handle the load during migration. If necessary, allocate more resources or schedule migrations during off-peak hours.
  Consult SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM37 (to monitor background jobs), SM21 (to check system logs), and ST22 (to analyze dumps).
  SAP Documentation: Refer to the official SAP documentation for the migration tool you are using for specific guidelines and best practices.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.