How To Fix 0S045 - Internal error (no enqueue trace record passed)

SAP Error Message - Details

• Message type: E = Error

• Message class: 0S - Messages for the SQL trace

• Message number: 045

• Message text: Internal error (no enqueue trace record passed)

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 0S045 - Internal error (no enqueue trace record passed) ?

  The SAP error message 0S045 Internal error (no enqueue trace record passed) typically indicates an issue related to the SAP enqueue mechanism, which is responsible for managing locks on objects in the SAP system. This error can occur due to various reasons, including inconsistencies in the enqueue table or issues with the enqueue server.
  Causes:
  
  Enqueue Server Issues: The enqueue server may not be functioning correctly, leading to a failure in processing lock requests.
  Database Issues: Problems with the underlying database can also cause this error, especially if there are inconsistencies or corruption in the database tables.
  Network Issues: Network problems between the application server and the enqueue server can lead to communication failures.
  System Configuration: Incorrect configuration settings in the SAP system can also lead to this error.
  Memory Issues: Insufficient memory or resources allocated to the enqueue server can cause it to fail.
  
  Solutions:
  
  Check Enqueue Server Status: Ensure that the enqueue server is running properly. You can check the status using transaction SM51 to see if the enqueue server is active.
  Restart Enqueue Server: If the enqueue server is not responding, consider restarting it. This can often resolve temporary issues.
  Check System Logs: Review the system logs (transaction SM21) for any related error messages that might provide more context about the issue.
  Database Consistency Check: Run a consistency check on the database to ensure there are no underlying issues. You can use transaction DB02 to monitor database performance and check for errors.
  Review Configuration: Check the configuration settings related to the enqueue server in transaction RZ10 and ensure they are set correctly.
  Increase Resources: If memory or resource limitations are suspected, consider increasing the resources allocated to the enqueue server.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error. There may be patches or updates available that resolve known issues.
  
  Related Information:
  
  
  Transaction Codes: 
  
  SM51: To check the status of application servers.
  SM21: To view system logs.
  DB02: To monitor database performance.
  RZ10: To manage profile parameters.
  
  
  
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. They can provide more detailed diagnostics and support based on your specific system configuration and logs.
  
  
  Documentation: Review the official SAP documentation for more information on enqueue mechanisms and troubleshooting steps.
  
  
  By following these steps, you should be able to diagnose and resolve the error message 0S045 Internal error (no enqueue trace record passed) in your SAP system.