How To Fix 0S191 - Unknown error while deleting the saved trace file &

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 191

• Message text: Unknown error while deleting the saved trace file &

What causes this issue?

You tried to delete a saved trace file. An unrecognized error occurred
during this operation.

System Response

The system continues processsing after the message.

How to fix this error?

Attempt to delete the trace file using operating system resources.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 0S191 - Unknown error while deleting the saved trace file & ?

  The SAP error message "0S191 Unknown error while deleting the saved trace file" typically occurs when there is an issue with the deletion of a trace file in the SAP system. This can happen for various reasons, including file permission issues, file locks, or problems with the underlying file system.
  Causes:
  
  File Permissions: The user or process attempting to delete the trace file may not have the necessary permissions to do so.
  File Locks: The trace file may be in use or locked by another process, preventing its deletion.
  File System Issues: There may be issues with the file system where the trace files are stored, such as disk space problems or corruption.
  SAP System Configuration: There may be configuration issues within the SAP system that affect trace file management.
  
  Solutions:
  
  
  Check Permissions: Ensure that the user or process has the appropriate permissions to delete the trace file. You may need to adjust the file permissions or run the deletion as a user with higher privileges.
  
  
  Release File Locks: If the trace file is locked, identify the process that is using it and terminate that process if appropriate. You can use tools like lsof on Unix/Linux systems to check which process is holding the file.
  
  
  Check Disk Space: Ensure that there is sufficient disk space on the file system where the trace files are stored. If the disk is full, you may need to free up space.
  
  
  File System Check: If you suspect file system corruption, run a file system check (e.g., fsck on Unix/Linux systems) to identify and fix any issues.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that resolve the issue.
  
  
  Restart SAP Services: In some cases, restarting the SAP services or the entire system may help clear any temporary issues that are causing the error.
  
  
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error and the steps you have already taken.
  
  
  Related Information:
  
  Trace Files: Trace files are used in SAP for debugging and performance analysis. They can be generated by various components of the SAP system.
  Transaction Codes: You can use transaction codes like ST05 (SQL Trace) or ST12 (Performance Trace) to manage and analyze trace files.
  SAP Basis Team: If you are not part of the SAP Basis team, it may be necessary to involve them, as they have the expertise to handle system-level issues.
  
  By following these steps, you should be able to diagnose and resolve the error related to deleting the saved trace file in SAP.