How To Fix TK355 - Objects locked for other requests

SAP Error Message - Details

• Message type: E = Error

• Message class: TK - Transport Organizer

• Message number: 355

• Message text: Objects locked for other requests

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message TK355 - Objects locked for other requests ?

  The SAP error message TK355, which states "Objects locked for other requests," typically occurs when a user or process tries to access or modify an object (such as a table, transaction, or program) that is currently locked by another user or process. This locking mechanism is a part of SAP's concurrency control to ensure data integrity and consistency.
  Causes:
  
  User Lock: Another user is currently editing or processing the same object.
  Transaction Lock: A transaction is running that has locked the object for its duration.
  Long-Running Processes: Background jobs or long-running transactions may hold locks for an extended period.
  Deadlocks: Situations where two or more processes are waiting for each other to release locks can also lead to this error.
  System Configuration: Certain configurations or custom developments may inadvertently lead to locking issues.
  
  Solutions:
  
  Wait and Retry: Often, the simplest solution is to wait for the other user or process to complete its operation and then retry your action.
  Identify the Lock:
  
  Use transaction SM12 to view and manage locks. You can see which user or process is holding the lock.
  If necessary, you can delete the lock entry (if you have the appropriate authorizations) to release the lock.
  
  
  Check Background Jobs: Use transaction SM37 to check for any long-running background jobs that might be holding locks.
  Analyze Code: If the locking is due to custom code, review the code for potential improvements in how locks are managed.
  Increase Timeout Settings: In some cases, adjusting the timeout settings for locks may help, but this should be done with caution and typically requires system administration privileges.
  Consult Basis Team: If the issue persists, it may be necessary to involve the SAP Basis team to investigate further, especially if it involves system-level locks or deadlocks.
  
  Related Information:
  
  Lock Management: Understanding how SAP handles locks can help in troubleshooting. SAP uses various types of locks (e.g., exclusive locks, shared locks) to manage concurrent access.
  Transaction Codes:
  
  SM12: Display and manage locks.
  SM21: Check system logs for any related errors or warnings.
  SM37: Monitor background jobs.
  SE11: Check the data dictionary for the object in question.
  
  
  Documentation: Refer to SAP Help documentation for more details on locking mechanisms and best practices for managing locks.
  
  By following these steps, you should be able to diagnose and resolve the TK355 error effectively.