How To Fix TK630 - Objects locked in various separate tasks

SAP Error Message - Details

• Message type: E = Error

• Message class: TK - Transport Organizer

• Message number: 630

• Message text: Objects locked in various separate tasks

What causes this issue?

The objects to be edited are locked for various tasks.

System Response

Processing is terminated, since the function called requires processing
within a task.

How to fix this error?

Make sure that the objects to be processed are all unlocked, or that
all are locked in the same task.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TK630 - Objects locked in various separate tasks ?

  The SAP error message TK630, which states "Objects locked in various separate tasks," typically occurs when multiple users or processes are trying to access or modify the same object (such as a table, program, or transaction) simultaneously. This can lead to a situation where the object is locked, preventing other users from accessing it until the lock is released.
  Causes:
  
  Concurrent Access: Multiple users or background jobs are trying to access the same object at the same time.
  Long-Running Transactions: A transaction that takes a long time to complete can hold locks longer than expected.
  Uncommitted Changes: If a transaction is not committed or rolled back properly, it can leave locks in place.
  Deadlocks: Situations where two or more processes are waiting for each other to release locks can also lead to this error.
  
  Solutions:
  
  Identify the Lock: Use transaction code SM12 to view and analyze the locks. You can see which user or process is holding the lock.
  Release the Lock: If you have the necessary authorizations, you can manually delete the lock entries in SM12. However, be cautious when doing this, as it may lead to data inconsistency.
  Check for Long-Running Transactions: Use transaction SM66 to monitor active processes and identify any long-running transactions that may be holding locks.
  Optimize Code: If the locking issue is due to custom code, review and optimize the code to ensure that locks are held for the shortest time possible.
  Implement Proper Commit/Rollback: Ensure that all transactions are properly committed or rolled back to release locks promptly.
  Schedule Jobs Appropriately: If background jobs are causing locks, consider scheduling them during off-peak hours to minimize contention.
  
  Related Information:
  
  Lock Management: Understanding how SAP handles locks is crucial. SAP uses a locking mechanism to ensure data integrity, and locks can be either exclusive or shared.
  Transaction Codes:
  
  SM12: Display and manage lock entries.
  SM21: Check system logs for any related errors or warnings.
  SM66: Monitor global work processes.
  
  
  Performance Tuning: Regularly review and tune performance to minimize locking issues, including database performance and application code efficiency.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.