How To Fix 0S129 - Performance trace file is not open

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 129

• Message text: Performance trace file is not open

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 0S129 - Performance trace file is not open ?

  The SAP error message "0S129 Performance trace file is not open" typically indicates that the system is unable to access or open the performance trace file that is required for analyzing performance issues. This can occur for several reasons, and here are some potential causes, solutions, and related information:
  Causes:
  
  File Permissions: The user or the system may not have the necessary permissions to access the performance trace file.
  File Path Issues: The specified path for the trace file may be incorrect or the file may not exist.
  Trace Not Started: The performance trace may not have been started or may have been stopped before the system attempted to access it.
  System Configuration: There may be issues with the configuration of the tracing mechanism in the SAP system.
  Temporary Files: The trace file may have been deleted or moved, or the system may have run out of space to create new trace files.
  
  Solutions:
  
  Check Permissions: Ensure that the user has the necessary permissions to access the trace files. This may involve checking the file system permissions or SAP authorization roles.
  Verify File Path: Confirm that the path to the performance trace file is correct and that the file exists. You can check the configuration settings in the SAP system.
  Start Performance Trace: If the performance trace has not been started, you can initiate it using transaction codes like ST01 (System Trace) or ST05 (SQL Trace) depending on what you are trying to trace.
  Check Configuration: Review the configuration settings for performance tracing in the SAP system. Ensure that tracing is enabled and properly configured.
  Disk Space: Check the available disk space on the server where the trace files are stored. If the disk is full, free up some space or change the location for trace files.
  Restart the System: In some cases, restarting the SAP system or the application server may resolve temporary issues related to file access.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as ST01, ST05, ST12, and ST22 for performance tracing and analysis.
  SAP Notes: Check SAP Notes for any known issues or patches related to performance tracing. You can search the SAP Support Portal for specific notes that may address your issue.
  Documentation: Refer to the official SAP documentation for performance tracing to understand how to properly configure and use tracing features.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.