How To Fix 0S124 - No filter is set - the performance trace is deactivated

0S124 - Overview

• Message type: E = Error

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

• Message number: 124

• Message text: No filter is set - the performance trace is deactivated

What causes this issue?

The performance trace is switched off, and there is therefore no filter
switched on for recording the trace.

System Response

The system continues processing after displaying the message.

How to fix this error?

If you have switched on one or more performance traces, you can use
this function to display the filter for recording the trace.

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.

0S124 - Details

• The SAP error message "0S124 No filter is set - the performance trace is deactivated" typically occurs when you are trying to analyze performance traces in SAP but have not set any filters for the trace data. This can happen in transaction codes like ST05 (SQL Trace) or ST12 (Single Transaction Analysis), where performance tracing is used to monitor and analyze the performance of database operations and other system activities.
  
  Cause:
  
  No Filters Applied: The primary cause of this error is that you have not set any filters for the performance trace. Without filters, the system does not know what specific data to capture or analyze.
  Trace Deactivation: The performance trace may be deactivated, meaning that no data is being collected for analysis.
  
  
  Solution:
  
  
  Set Filters: 
  
  Go to the relevant transaction (e.g., ST05 or ST12).
  Before starting the trace, ensure that you set appropriate filters. This could include specifying the user, transaction code, or other parameters