How To Fix 26138 - Object & & is already locked

SAP Error Message - Details

• Message type: E = Error

• Message class: 26 - Dokumentenverwaltung

• Message number: 138

• Message text: Object & & is already locked

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 26138 - Object & & is already locked ?

  The SAP error message 26138, which states "Object & & is already locked," typically occurs when a user or process attempts to access or modify an object (such as a table, program, or other resources) 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 prevent conflicts.
  Causes:
  
  Concurrent Access: Another user or process is currently using the object, leading to a lock.
  Long-Running Transactions: A transaction that takes a long time to complete may hold a lock on the object longer than expected.
  Uncommitted Changes: If a user has made changes to the object but has not yet committed those changes, the object remains locked.
  System Errors: Sometimes, system errors or crashes can leave locks in place that are not released properly.
  
  Solutions:
  
  Wait and Retry: If the lock is temporary, waiting for the other user or process to complete their transaction may resolve the issue.
  Identify the Lock: Use transaction codes like SM12 (for lock entries) to identify which user or process is holding the lock. You can check the lock entries and see if you can contact the user to release the lock.
  Release the Lock: If you have the necessary authorizations, you can manually delete the lock entry in SM12. However, this should be done with caution, as it may lead to data inconsistency if the other user is still working on the object.
  Check for Long-Running Transactions: Use transaction SM66 (global work process overview) to identify any long-running transactions that may be holding locks.
  Review Code: If the error occurs frequently, review the code or processes that access the object to ensure they are not holding locks longer than necessary.
  System Configuration: In some cases, adjusting the system configuration or lock parameters may help reduce locking issues.
  
  Related Information:
  
  Lock Management: Understanding how SAP handles locks can help in troubleshooting. SAP uses different types of locks (e.g., exclusive locks, shared locks) based on the operation being performed.
  Transaction Codes:
  
  SM12: Display and manage lock entries.
  SM66: Monitor global work processes.
  SM21: Check system logs for any related errors or warnings.
  
  
  Documentation: Refer to SAP Help documentation for more details on locking mechanisms and best practices for managing locks.
  
  Always ensure that any actions taken to resolve locking issues are in line with your organization's policies and procedures to avoid unintended data loss or corruption.