Message type: E = Error
Message class:  CNV_PE_UI -  
Message number: 820
Message text: Area &1 of project &2 is locked
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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
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