How To Fix CNV_PE_UI820 - Area &1 of project &2 is locked

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE_UI -

• Message number: 820

• Message text: Area &1 of project &2 is locked

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE_UI820 - Area &1 of project &2 is locked ?

  The SAP error message CNV_PE_UI820 indicates that a specific area of a project is locked, which prevents users from making changes or performing certain actions within that project. This error typically occurs in the context of data migration or project management within SAP systems, particularly when using tools like SAP S/4HANA Migration Cockpit or other data conversion tools.
  Cause:
  
  Locking Mechanism: The area of the project is locked due to ongoing processes, such as data migration, that require exclusive access to ensure data integrity.
  User Sessions: Another user or session may have locked the project area, preventing concurrent modifications.
  Incomplete Processes: Previous processes may not have been completed successfully, leaving the project in a locked state.
  Authorization Issues: The user may not have the necessary authorizations to unlock or modify the project area.
  
  Solution:
  
  Check Lock Status: Use transaction code SM12 to check for any existing locks on the project area. Identify the user or session that holds the lock.
  Release Locks: If you have the necessary authorizations, you can manually delete the locks in SM12. Be cautious when doing this, as it may affect other users or processes.
  Complete Ongoing Processes: Ensure that any ongoing data migration or project activities are completed. If a process is stuck, you may need to investigate and resolve the issue.
  Contact Administrator: If you are unable to resolve the issue, contact your SAP system administrator or support team for assistance. They may have additional tools or permissions to unlock the project area.
  Review Authorizations: Ensure that your user account has the necessary permissions to access and modify the project area.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (for lock entries), SM21 (for system logs), and ST22 (for dumps) to troubleshoot further.
  Documentation: Refer to SAP documentation or notes related to the specific project or migration tool you are using for additional context and troubleshooting steps.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the cause of the lock and take appropriate action to resolve the CNV_PE_UI820 error.