How To Fix TK104 - & is not locked

SAP Error Message - Details

• Message type: E = Error

• Message class: TK - Transport Organizer

• Message number: 104

• Message text: & is not locked

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message TK104 - & is not locked ?

  The SAP error message TK104 typically indicates that a particular object (like a table or a transaction) is not locked, which can lead to issues when multiple users or processes attempt to access or modify the same data simultaneously. This error can arise in various contexts, such as during data entry, report generation, or when executing certain transactions.
  Cause:
  
  Concurrency Issues: The error often occurs when multiple users are trying to access or modify the same data at the same time, and the system is unable to lock the object for the current operation.
  Transaction Management: If a previous transaction did not complete properly or was terminated unexpectedly, it might leave the object in an unlocked state.
  Configuration Issues: There may be issues with the configuration of the locking mechanism in the SAP system.
  Database Locks: Sometimes, database-level locks can interfere with SAP's ability to manage locks effectively.
  
  Solution:
  
  Check for Active Sessions: Use transaction codes like SM12 (for lock entries) to check if there are any active sessions that might be holding locks on the object. If necessary, you can delete the lock entries if they are no longer valid.
  Review Transaction Logs: Check the transaction logs to identify if there were any errors or issues during previous operations that might have left the object in an unlocked state.
  Restart the Transaction: Sometimes, simply restarting the transaction or the SAP GUI can resolve temporary locking issues.
  System Configuration: Ensure that the system configuration for locking mechanisms is set up correctly. This may involve consulting with your SAP Basis team.
  Database Administration: If the issue persists, it may be necessary to involve your database administrator to check for any underlying database issues that could be affecting locking behavior.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (for lock entries), SM21 (for system logs), and ST22 (for dump analysis) to diagnose and troubleshoot the issue.
  SAP Notes: Check SAP Notes for any known issues or patches related to the TK104 error. SAP frequently updates its knowledge base with solutions for common problems.
  User Training: Ensure that users are trained on proper transaction handling to minimize concurrency issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.