How To Fix ACMDEVTRC019 - SQL Trace was already activated by &

SAP Error Message - Details

• Message type: E = Error

• Message class: ACMDEVTRC -

• Message number: 019

• Message text: SQL Trace was already activated by &

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ACMDEVTRC019 - SQL Trace was already activated by & ?

  The SAP error message ACMDEVTRC019 indicates that an SQL trace was already activated by a specific user or process. This typically occurs when you attempt to activate an SQL trace while one is already running, which can lead to confusion or conflicts in the tracing process.
  Cause:
  
  Multiple Activations: The most common cause is that the SQL trace (using transaction ST05) is already activated by another user or session.
  Session Overlap: If you are trying to activate the trace in a session where it is already active, you will encounter this error.
  User Confusion: Sometimes, users may not realize that a trace is already active, especially in a shared environment.
  
  Solution:
  
  Check Active Traces: Use transaction ST05 to check if there is an active SQL trace. You can see which user or session has the trace activated.
  Deactivate Existing Trace: If you find that a trace is already active and you need to start a new one, you can deactivate the existing trace by selecting the appropriate option in ST05.
  Wait for Completion: If the trace is being used for a specific purpose, you may need to wait until it is completed before starting a new one.
  Use Different User/Session: If possible, try activating the trace from a different user or session that does not have an active trace.
  
  Related Information:
  
  Transaction ST05: This is the main transaction for activating and managing SQL traces in SAP.
  Trace Management: Understanding how to manage traces effectively can help avoid conflicts and ensure that you can gather the necessary performance data without issues.
  Performance Analysis: SQL traces are often used for performance analysis, so it's important to manage them carefully to get accurate results.
  
  If you continue to experience issues or if the error persists despite following these steps, it may be helpful to consult with your SAP Basis team or refer to SAP Notes for further troubleshooting guidance.