How To Fix E2E_TESTING027 - ON: Buffer trace already activated by &1 (trace user: &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: E2E_TESTING - Messages for E2E Testing Agent

• Message number: 027

• Message text: ON: Buffer trace already activated by &1 (trace user: &2)

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 E2E_TESTING027 - ON: Buffer trace already activated by &1 (trace user: &2) ?

  The SAP error message E2E_TESTING027 indicates that a buffer trace is already activated for a specific user in the system. This message typically arises in the context of performance analysis or debugging, particularly when using the End-to-End (E2E) tracing functionality in SAP.
  
  Cause:
  The error occurs when a user attempts to activate a buffer trace while one is already active for that user. This can happen if:
  
  The user has previously activated a buffer trace and has not deactivated it.
  Another session or transaction initiated by the same user has already activated the trace.
  
  
  Solution:
  To resolve this issue, you can take the following steps:
  
  
  Deactivate the Existing Trace:
  
  If you have access to the transaction where the trace was activated, you can deactivate it. This is typically done using transaction ST01 (System Trace) or ST05 (SQL Trace).
  In the trace tool, look for the option to deactivate the trace for the user in question.
  
  
  
  Check Active Traces:
  
  Use transaction ST01