How To Fix CNV_IUUC_REPLICATION005 - Lock on data load could not be released for table &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_IUUC_REPLICATION - IUUC replication messages (HANA)

• Message number: 005

• Message text: Lock on data load could not be released for table &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_REPLICATION005 - Lock on data load could not be released for table &1 ?

  The SAP error message CNV_IUUC_REPLICATION005 indicates that there is a lock on a data load operation for a specific table, which cannot be released. This error typically occurs during data replication processes, especially in the context of SAP Landscape Transformation (SLT) or when using SAP Data Services.
  Cause:
  
  Long-running Transactions: A transaction that is holding a lock on the table may be taking too long to complete, preventing other processes from accessing the table.
  Deadlocks: There may be a deadlock situation where two or more transactions are waiting for each other to release locks.
  Unfinished Data Load: A previous data load operation may not have completed successfully, leaving the table in a locked state.
  Database Issues: There could be underlying database issues that are causing locks to not be released properly.
  
  Solution:
  
  
  Identify the Lock:
  
  Use transaction code SM12 in SAP to check for locks on the table. You can filter by the table name to see which user or process is holding the lock.
  If you find a lock that is no longer needed, you can manually delete it (if you have the necessary permissions).
  
  
  
  Check Running Transactions:
  
  Use transaction code SM66 to monitor active processes in the system. Look for any long-running transactions that might be holding locks on the table.
  
  
  
  Terminate Long-running Processes:
  
  If you identify a process that is holding a lock and is not responding, you may need to terminate it using transaction code SM50 or SM66.
  
  
  
  Review Data Load Jobs:
  
  Check the status of any data load jobs that are currently running. If a job has failed or is stuck, you may need to restart it or resolve any issues that caused it to hang.
  
  
  
  Database Administration:
  
  If the issue persists, consult with your database administrator to check for any database-level locks or issues that may be affecting the table.
  
  
  
  System Restart:
  
  As a last resort, if the locks cannot be released and are causing significant issues, consider restarting the application server or the entire SAP system. However, this should be done with caution and proper planning.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: Display and manage locks.
  SM50: Monitor processes.
  SM66: Global overview of processes.
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  Documentation: Review the SAP documentation for SLT or the specific data replication tool you are using for best practices and troubleshooting tips.
  
  
  Performance Monitoring: Regularly monitor system performance and transaction locks to prevent such issues from occurring in the future.
  
  
  By following these steps, you should be able to identify the cause of the lock and take appropriate action to resolve the error CNV_IUUC_REPLICATION005.