How To Fix SKTU103 - Error in lock management

SAP Error Message - Details

• Message type: E = Error

• Message class: SKTU - Translation: Long texts

• Message number: 103

• Message text: Error in lock management

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 SKTU103 - Error in lock management ?

  The SAP error message SKTU103, which indicates "Error in lock management," typically arises when there are issues related to the locking mechanism in SAP. This can occur in various scenarios, such as when multiple users attempt to access the same data simultaneously, or when there are inconsistencies in the lock table.
  Causes of SKTU103 Error
  
  Lock Table Overflow: The lock table may be full, preventing new locks from being created.
  Inconsistent Lock Entries: There may be inconsistencies in the lock entries due to system errors or abrupt terminations of transactions.
  Database Issues: Problems with the underlying database can also lead to lock management errors.
  User Session Issues: If a user session is terminated unexpectedly, it may leave locks in place that are not released properly.
  Configuration Issues: Incorrect configuration settings related to lock management can also lead to this error.
  
  Solutions to SKTU103 Error
  
  
  Check Lock Table Status:
  
  Use transaction code SM12 to check the lock entries. You can delete unnecessary locks if they are no longer needed.
  
  
  
  Increase Lock Table Size:
  
  If the lock table is full, consider increasing its size. This can be done by adjusting the profile parameters in the instance profile (e.g., enque/table_size).
  
  
  
  Release Locks:
  
  If you identify locks that are no longer needed, you can manually release them using transaction SM12.
  
  
  
  Check for Inactive Sessions:
  
  Use transaction SM04 to check for active user sessions. If there are inactive sessions holding locks, you may need to terminate them.
  
  
  
  Review System Logs:
  
  Check the system logs (transaction SM21) for any related errors or warnings that might provide more context about the issue.
  
  
  
  Database Consistency Check:
  
  If you suspect database issues, perform a consistency check on the database. This may require the assistance of your database administrator.
  
  
  
  Restart the Application Server:
  
  In some cases, restarting the application server can help clear up any temporary issues with lock management.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  
  Related Information
  
  
  Transaction Codes:
  
  SM12: Display and manage lock entries.
  SM21: System log.
  SM04: User overview.
  
  
  
  SAP Documentation: Refer to the official SAP documentation for more detailed information on lock management and troubleshooting.
  
  
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  
  If the problem persists after trying the above solutions, it may be necessary to contact SAP support for further assistance.