How To Fix SKTU105 - Error in lock management

SAP Error Message - Details

• Message type: E = Error

• Message class: SKTU - Translation: Long texts

• Message number: 105

• 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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SKTU105 - Error in lock management ?

  The SAP error message SKTU105, which indicates "Error in lock management," typically arises when there are issues related to the locking mechanism in the SAP system. This can occur due to various reasons, including:
  Causes:
  
  Lock Table Overflow: The lock table may be full, preventing new locks from being created.
  Database Issues: Problems with the underlying database can lead to lock management errors.
  Network Issues: Connectivity problems between the application server and the database can cause lock management failures.
  Long-Running Transactions: If a transaction holds locks for an extended period, it can lead to contention and errors.
  Configuration Issues: Incorrect configuration settings related to lock management in the SAP system.
  
  Solutions:
  
  
  Check Lock Table Size: 
  
  Use transaction code SM12 to check the lock entries. If the lock table is full, consider increasing its size in the system profile parameters.
  
  
  
  Release Locks: 
  
  In SM12, you can manually delete unnecessary locks if they are no longer needed. Be cautious when doing this to avoid data inconsistencies.
  
  
  
  Monitor Long-Running Transactions: 
  
  Use transaction SM66 or SM50 to monitor active processes and identify any long-running transactions that may be holding locks.
  
  
  
  Database Health Check: 
  
  Ensure that the database is functioning correctly. Check for any database errors or performance issues that may be affecting lock management.
  
  
  
  Review Configuration: 
  
  Check the SAP system configuration related to lock management. Ensure that parameters such as enque/table_size are set appropriately.
  
  
  
  Restart Application Server: 
  
  In some cases, restarting the application server can help clear temporary issues related to lock management.
  
  
  
  Consult SAP Notes: 
  
  Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to SKTU105. There may be patches or updates available.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SM12: Display and manage lock entries.
  SM50: Monitor processes on the application server.
  SM66: Monitor global processes across all application servers.
  
  
  
  SAP Documentation: 
  
  Refer to the official SAP documentation for detailed information on lock management and troubleshooting.
  
  
  
  SAP Community: 
  
  Engage with the SAP Community forums for insights and solutions shared by other users who may have encountered similar issues.
  
  
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or consult SAP support for further assistance.