How To Fix 0S104 - Error activating the performance trace

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 104

• Message text: Error activating the performance trace

What causes this issue?

An error occurred when activating the performance trace.

System Response

The system continues processing after the message.

How to fix this error?

Repeat the activation of the trace. If the activation of the performance
trace does not work again, contact SAP.

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 0S104 - Error activating the performance trace ?

  The SAP error message 0S104 indicates an issue with activating the performance trace in the SAP system. This error can occur for various reasons, and understanding the cause and potential solutions can help resolve the issue.
  Cause
  The error message 0S104 typically arises due to one or more of the following reasons:
  
  
  Authorization Issues: The user attempting to activate the performance trace may not have the necessary authorizations. The user needs specific permissions to start and stop traces.
  
  
  System Configuration: There may be configuration issues in the SAP system that prevent the trace from being activated.
  
  
  Trace Settings: The trace settings may not be correctly configured, or the system may be in a state that does not allow tracing.
  
  
  Performance Trace Already Active: If a performance trace is already active, attempting to activate it again may lead to this error.
  
  
  Technical Issues: There could be underlying technical issues with the SAP system or the database that are preventing the trace from being activated.
  
  
  Solution
  To resolve the 0S104 error, you can try the following steps:
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to activate the performance trace. The user should have the S_TRACE authorization object.
  
  
  
  Verify Trace Settings:
  
  Go to transaction ST01 (System Trace) or ST05 (SQL Trace) and check the settings. Ensure that the trace is configured correctly.
  
  
  
  Check for Active Traces:
  
  Use transaction ST01 or ST05 to check if there is already an active trace. If so, stop the existing trace before trying to activate a new one.
  
  
  
  System Configuration:
  
  Review the system configuration related to tracing. Ensure that the necessary parameters are set correctly in the system profile.
  
  
  
  Check System Logs:
  
  Look at the system logs (transaction SM21) for any related error messages that might provide more context about the issue.
  
  
  
  Restart the System:
  
  If the issue persists, consider restarting the SAP application server, as this can sometimes resolve temporary technical issues.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  
  
  Contact SAP Support:
  
  If none of the above solutions work, consider reaching out to SAP Support for further assistance.
  
  
  
  Related Information
  
  Transaction Codes: 
  
  ST01: System Trace
  ST05: SQL Trace
  SM21: System Log
  SU53: Authorization Check
  
  
  Authorization Object: S_TRACE is essential for tracing activities.
  SAP Notes: Always check for the latest SAP Notes related to performance tracing and error messages.
  
  By following these steps, you should be able to diagnose and resolve the 0S104 error in your SAP system.