How To Fix 0S144 - You have already switched on the SQL trace

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 144

• Message text: You have already switched on the SQL trace

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message 0S144 - You have already switched on the SQL trace ?

  The SAP error message 0S144 ("You have already switched on the SQL trace") typically occurs when a user attempts to activate the SQL trace (transaction code ST05) while it is already active. This can happen if the user tries to start the trace multiple times without stopping it first.
  
  Cause:
  
  The SQL trace is already enabled for the user session or for the system.
  The user may not have stopped the trace after the previous session, leading to the error when trying to start it again.
  
  
  Solution:
  
  
  Stop the SQL Trace:
  
  Go to transaction code ST05.
  Click on the "Deactivate Trace" button to stop the currently active trace.
  After stopping the trace, you can start it again without encountering the error.
  
  
  
  Check for Active Traces:
  
  If you are unsure whether the trace is active, you can check the status in the ST05 transaction.
  If you see that the trace is active, you can deactivate it from there.
  
  
  
  Use a Different User Session:
  
  If