How To Fix VW793 - Table TVTK could not be blocked

SAP Error Message - Details

• Message type: E = Error

• Message class: VW - Shipment Processing Output

• Message number: 793

• Message text: Table TVTK could not be blocked

What causes this issue?

The table could not be blocked because it is already blocked.

System Response

The program was terminated incorrectly.

How to fix this error?

Remove the block and start the report CVTVTKTR manually. If you do not
remove the error, you will only have read access to Table TVTK.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message VW793 - Table TVTK could not be blocked ?

  The SAP error message VW793, which states "Table TVTK could not be blocked," typically occurs in the context of transaction processing where the system is trying to lock a database table (in this case, TVTK) for exclusive access but is unable to do so. This can happen for several reasons, and understanding the cause is crucial for finding a solution.
  Causes:
  
  Database Lock Conflicts: Another transaction may already have a lock on the TVTK table, preventing your transaction from obtaining the necessary lock.
  Long-Running Transactions: If a transaction is taking too long to complete, it may hold locks longer than expected, causing subsequent transactions to fail.
  Deadlocks: A deadlock situation may arise where two or more transactions are waiting for each other to release locks.
  Insufficient Authorizations: The user may not have the necessary authorizations to lock the table.
  Database Issues: There may be underlying issues with the database itself, such as corruption or configuration problems.
  
  Solutions:
  
  Check for Active Locks: Use transaction code SM12 to check for active locks on the TVTK table. You can identify the user or transaction holding the lock and take appropriate action (e.g., wait for it to complete or terminate it if necessary).
  Review Long-Running Transactions: Analyze the transactions that are taking a long time to complete. If possible, optimize them or schedule them during off-peak hours.
  Deadlock Resolution: If you suspect a deadlock, you may need to analyze the situation further using transaction SM21 (System Log) or ST22 (Dump Analysis) to identify the cause and resolve it.
  User Authorizations: Ensure that the user executing the transaction has the necessary authorizations to lock the TVTK table. You can check this in transaction SU53 after the error occurs.
  Database Health Check: If the problem persists, consider performing a health check on the database. This may involve checking for corruption, ensuring proper configuration, or consulting with your database administrator.
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: Display and manage locks.
  SM21: System log for monitoring.
  ST22: Dump analysis for runtime errors.
  SU53: Authorization check analysis.
  
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  Performance Monitoring: Use transaction ST03N to analyze performance and identify any bottlenecks in the system that may be contributing to locking issues.
  
  
  By following these steps, you should be able to diagnose and resolve the VW793 error effectively. If the issue persists, consider reaching out to SAP support for further assistance.