How To Fix SR236 - Lock table not currently accessible

SAP Error Message - Details

• Message type: E = Error

• Message class: SR - RFC utilities

• Message number: 236

• Message text: Lock table not currently accessible

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 SR236 - Lock table not currently accessible ?

  The SAP error message SR236, which states "Lock table not currently accessible," typically indicates an issue with the lock management system in SAP. This error can occur when the system is unable to access the lock table, which is essential for managing concurrent access to data in the database.
  Causes:
  
  Database Issues: The database may be experiencing issues, such as being down or unresponsive.
  Lock Table Corruption: The lock table may be corrupted or not properly initialized.
  System Configuration: Incorrect configuration settings in the SAP system or database can lead to this error.
  Resource Limitations: The system may be running out of resources (e.g., memory, connections) that are necessary for managing locks.
  Network Issues: If the SAP system is distributed across multiple servers, network issues can prevent access to the lock table.
  
  Solutions:
  
  Check Database Status: Ensure that the database is up and running. You can check the database logs for any errors or issues.
  Restart SAP System: Sometimes, a simple restart of the SAP system can resolve temporary issues with the lock table.
  Check Lock Table Configuration: Review the configuration settings related to the lock table in the SAP system. Ensure that they are set correctly.
  Monitor System Resources: Use transaction codes like ST02 (Tune Summary) or ST06 (Operating System Monitor) to check for resource bottlenecks.
  Database Maintenance: Perform database maintenance tasks, such as reorganization or cleanup, to ensure that the database is functioning optimally.
  Check for Locks: Use transaction SM12 to check for existing locks that may be causing issues. You can delete unnecessary locks if they are no longer needed.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (for lock entries), SM21 (for system logs), and ST22 (for dumps).
  SAP Support: If the issue persists, consider reaching out to SAP Support for further assistance. Provide them with detailed logs and error messages to facilitate troubleshooting.
  Documentation: Review SAP documentation related to lock management and database administration for best practices and troubleshooting steps.
  
  By following these steps, you should be able to diagnose and resolve the SR236 error in your SAP system.