How To Fix RT326 - Lock management error; monitor conversion not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: RT - Monitoring infrastructure MSG and alert texts

• Message number: 326

• Message text: Lock management error; monitor conversion not possible

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 RT326 - Lock management error; monitor conversion not possible ?

  The SAP error message RT326, which indicates a "Lock management error; monitor conversion not possible," typically arises in the context of SAP's lock management system. This error can occur when there are issues with the locks that are used to manage concurrent access to resources in the SAP system. Here are some potential causes, solutions, and related information for this error:
  Causes:
  
  Lock Table Overflow: The lock table may be full, preventing new locks from being created.
  Deadlocks: There may be a deadlock situation where two or more processes are waiting for each other to release locks.
  Database Issues: Problems with the underlying database can lead to lock management errors.
  System Configuration: Incorrect configuration settings related to lock management can also lead to this error.
  Long-running Transactions: Transactions that take too long to complete can hold locks longer than necessary, leading to contention.
  
  Solutions:
  
  Check Lock Table Size: Increase the size of the lock table if it is full. This can be done by adjusting the parameters in the SAP profile (e.g., enque/table_size).
  Monitor and Resolve Deadlocks: Use transaction codes like SM12 (to view and delete locks) and SM21 (to check system logs) to identify and resolve deadlocks.
  Review Long-running Transactions: Identify and optimize long-running transactions that may be holding locks for extended periods.
  Database Maintenance: Perform regular database maintenance to ensure that the database is functioning optimally.
  System Configuration Review: Review and adjust the configuration settings related to lock management in the SAP system.
  Restart the Application Server: In some cases, restarting the application server can help clear temporary issues related to lock management.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: To view and manage locks.
  SM21: To check system logs for errors and warnings.
  SM37: To monitor background jobs and their statuses.
  
  
  SAP Notes: Check SAP Notes related to lock management errors for specific patches or updates that may address known issues.
  Performance Monitoring: Use tools like ST03N to analyze performance and identify bottlenecks related to lock contention.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with SAP support or your system administrator for further assistance.