How To Fix CNV_10940_MSG513 - Lock Attempt Failed

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10940_MSG - Message Class for Report Variant Scan

• Message number: 513

• Message text: Lock Attempt Failed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10940_MSG513 - Lock Attempt Failed ?

  The SAP error message CNV_10940_MSG513: Lock Attempt Failed 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 acquire a lock on a particular object or resource that is required for the operation to proceed.
  Causes:
  
  Concurrent Access: Another process or user is currently accessing the same object or resource, preventing the lock from being acquired.
  Long-Running Transactions: A long-running transaction may hold the lock for an extended period, causing subsequent attempts to fail.
  Database Locking Issues: There may be issues related to database locks that are not being released properly.
  Configuration Issues: Incorrect configuration settings in the migration tool or the underlying system may lead to locking problems.
  
  Solutions:
  
  
  Identify and Terminate Conflicting Processes:
  
  Use transaction codes like SM12 (to view and delete locks) or SM66 (to monitor active processes) to identify any processes that are holding locks on the required objects.
  If you find a process that is blocking the lock, you may need to terminate it if it is safe to do so.
  
  
  
  Retry the Operation:
  
  Sometimes, simply retrying the operation after a short wait can resolve the issue, especially if the lock was temporary.
  
  
  
  Check for Long-Running Transactions:
  
  Investigate any long-running transactions that may be holding locks. If possible, optimize or terminate these transactions.
  
  
  
  Review Migration Configuration:
  
  Ensure that the migration configuration is set up correctly and that there are no misconfigurations that could lead to locking issues.
  
  
  
  Database Administration:
  
  If the issue persists, consult with your database administrator to check for any underlying database issues that may be causing locking problems.
  
  
  
  SAP Notes and Support:
  
  Check for any relevant SAP Notes that may address this specific error. SAP frequently releases updates and patches that can resolve known issues.
  If the problem continues, consider reaching out to SAP Support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12, SM21 (system log), and SM66 for monitoring and troubleshooting.
  SAP Documentation: Review the official SAP documentation for the migration tool you are using, as it may provide specific guidance on handling locking issues.
  Performance Monitoring: Regularly monitor system performance and transaction locks to prevent future occurrences of this error.
  
  By following these steps, you should be able to diagnose and resolve the CNV_10940_MSG513 Lock Attempt Failed error effectively.