How To Fix CNV772 - Lock parameter &1 for table &2 could not be set

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV - Conversion: Messages for Conversion Services (CNCC)

• Message number: 772

• Message text: Lock parameter &1 for table &2 could not be set

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV772 - Lock parameter &1 for table &2 could not be set ?

  The SAP error message "CNV772 Lock parameter &1 for table &2 could not be set" typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that the system is unable to set a lock parameter for a specific database table, which can lead to issues in data processing.
  Causes:
  
  Database Locking Issues: The table may already be locked by another process or transaction, preventing the current operation from acquiring the necessary lock.
  Insufficient Authorizations: The user executing the migration may not have the required authorizations to set locks on the specified table.
  Configuration Issues: There may be configuration problems in the migration tool or the underlying database settings.
  System Performance: High system load or performance issues can lead to timeouts or failures in setting locks.
  
  Solutions:
  
  Check for Existing Locks: Use transaction codes like SM12 to check for existing locks on the specified table. If another user or process is holding a lock, you may need to wait for it to be released or contact the user to resolve the issue.
  Review Authorizations: Ensure that the user executing the migration has the necessary authorizations to perform the operation. This may involve checking roles and permissions in the SAP system.
  Restart the Migration Process: Sometimes, simply restarting the migration process can resolve transient issues related to locking.
  System Performance Monitoring: Monitor system performance and resource usage. If the system is under heavy load, consider scheduling the migration during off-peak hours.
  Check Configuration: Review the configuration settings of the migration tool and ensure that they are correctly set up for the target environment.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or updates that may address this specific error message.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (to view locks), SM21 (to check system logs), and ST22 (to check dumps) for troubleshooting.
  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 contact SAP Support for further assistance.