How To Fix 0S128 - Close executed for the performance trace file

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 128

• Message text: Close executed for the performance trace file

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 0S128 - Close executed for the performance trace file ?

  The SAP error message 0S128 indicates that a close operation has been executed for a performance trace file. This message typically arises in the context of performance analysis and tracing in SAP systems, particularly when using tools like the SAP Performance Trace (ST05) or the Transaction ST12.
  Cause:
  The error message 0S128 can occur due to several reasons:
  
  Trace File Closure: The performance trace file has been closed, either manually by the user or automatically by the system after a certain period or after reaching a specific limit.
  Session Timeout: The session in which the trace was being recorded may have timed out or been terminated.
  System Configuration: There may be system settings or configurations that limit the duration or size of trace files, leading to their closure.
  User Action: The user may have executed a command to stop or close the trace.
  
  Solution:
  To address the 0S128 error, consider the following steps:
  
  Reopen or Restart the Trace: If you need to continue tracing, you can reopen or restart the performance trace. Use transaction ST05 to start a new trace session.
  Check Trace Settings: Review the settings for performance tracing in your SAP system. Ensure that the trace duration and size limits are configured according to your needs.
  Analyze Existing Trace: If the trace file has been closed, you can still analyze the data that has been captured up to that point. Use the appropriate tools (like ST05 or ST12) to review the trace results.
  Monitor System Performance: If you frequently encounter this issue, it may be beneficial to monitor system performance and adjust configurations to prevent premature closure of trace files.
  Consult Documentation: Refer to SAP documentation or notes related to performance tracing for any specific recommendations or best practices.
  
  Related Information:
  
  Transaction Codes: 
  
  ST05: Performance Trace
  ST12: Combined Trace (SQL and Runtime Analysis)
  
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or fixes related to performance tracing and error messages.
  Performance Analysis: Understanding how to effectively use performance tracing tools can help in diagnosing and resolving performance issues in SAP systems.
  
  If the problem persists or if you need further assistance, consider reaching out to your SAP Basis team or SAP support for more detailed troubleshooting.