How To Fix 0S149 - The HTTP trace has already been activated for user &

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 149

• Message text: The HTTP trace has already been activated for user &

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 0S149 - The HTTP trace has already been activated for user & ?

  The SAP error message 0S149 indicates that the HTTP trace has already been activated for the specified user. This typically occurs when a user attempts to activate the HTTP trace while it is already enabled for their session.
  Cause:
  The primary cause of this error is that the HTTP trace functionality in SAP has already been turned on for the user. This can happen if:
  
  The user has previously activated the trace and is trying to activate it again without deactivating the existing trace.
  There may be a misunderstanding about the state of the trace (e.g., the user thinks it is off when it is actually on).
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Deactivate the HTTP Trace:
  
  Use transaction code SICF to access the HTTP service configuration.
  Navigate to the relevant service and deactivate the trace for the user.
  Alternatively, you can use transaction SICF and look for the option to deactivate the trace for the user.
  
  
  
  Check Current Trace Status:
  
  You can check if the trace is currently active for the user by using transaction SICF or by checking the relevant logs.
  If you have access to the system logs, you can also look for entries related to HTTP tracing.
  
  
  
  Re-activate the Trace:
  
  Once you have confirmed that the trace is deactivated, you can attempt to activate it again for the user.
  
  
  
  Related Information:
  
  HTTP Trace: This is a debugging tool in SAP that allows you to trace HTTP requests and responses. It is useful for troubleshooting issues related to web services and HTTP communications.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SICF (Maintain HTTP Services) and SICF_LOG (HTTP Trace Log) for managing HTTP traces.
  User Permissions: Ensure that the user has the necessary permissions to activate and deactivate the HTTP trace.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP Basis team or refer to SAP Notes for further troubleshooting.