How To Fix 0S186 - The performance trace file could not be opened -> Long Text

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 186

• Message text: The performance trace file could not be opened -> Long Text

What causes this issue?

You tried to save a performance trace file. While opening the current
performance trace file,an error occurred that is not described in
further detail here.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

The system continues processing after the message.

How to fix this error?

Display the performance trace. The system will determine that the
current performance trace cannot be opened. The system then informs you
why the trace cannot be opened.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 0S186 - The performance trace file could not be opened -> Long Text ?

  The SAP error message 0S186 indicates that the performance trace file could not be opened. This error typically arises when there are issues related to file permissions, file paths, or the configuration of the tracing mechanism in the SAP system.
  Causes:
  
  File Permissions: The user or process trying to access the trace file may not have the necessary permissions to read or write to the file.
  File Path Issues: The specified path for the trace file may be incorrect or the file may not exist at the specified location.
  Disk Space: There may not be enough disk space available on the server to create or write to the trace file.
  Configuration Issues: The tracing mechanism may not be properly configured in the SAP system, leading to issues when trying to open the trace file.
  File Locking: The trace file may be locked by another process, preventing access.
  
  Solutions:
  
  Check Permissions: Ensure that the user or process has the appropriate permissions to access the directory and the trace file. You may need to adjust the permissions using operating system commands or tools.
  Verify File Path: Check the configuration settings in the SAP system to ensure that the path to the trace file is correct. You can do this by reviewing the relevant configuration parameters in transaction codes like RZ10 or RZ11.
  Free Up Disk Space: Check the available disk space on the server. If the disk is full, consider deleting unnecessary files or increasing the disk capacity.
  Review Configuration: Look into the configuration of the performance tracing settings in the SAP system. Ensure that the tracing is enabled and configured correctly.
  Check for Locks: Use operating system tools to check if the trace file is locked by another process. If it is, you may need to terminate that process or wait until it releases the file.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like ST05 (SQL Trace), ST12 (Performance Trace), and RZ20 (CCMS Monitoring) to analyze performance issues and trace settings.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  System Logs: Review system logs (transaction SM21) for any related error messages that could provide more context about the issue.
  
  If the problem persists after trying the above solutions, consider reaching out to your SAP Basis team or SAP support for further assistance.