How To Fix RSTT0156 - Copying of trace not possible. Trace &1 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: RSTT0 - Trace Tool: Message Class Engine Layer

• Message number: 156

• Message text: Copying of trace not possible. Trace &1 already exists

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSTT0156 - Copying of trace not possible. Trace &1 already exists ?

  The SAP error message RSTT0156, which states "Copying of trace not possible. Trace &1 already exists," typically occurs when you are trying to copy a trace file that already exists in the system. This can happen during performance analysis or when using transaction ST05 (SQL Trace) or ST12 (Combined Trace).
  Cause:
  The error is caused by an attempt to create a copy of a trace file that has the same name as an existing trace file. SAP does not allow overwriting existing trace files to prevent data loss.
  Solution:
  To resolve this issue, you can take the following steps:
  
  
  Check Existing Traces: 
  
  Use transaction ST05 or ST12 to check the existing trace files. Identify the trace file that is causing the conflict.
  
  
  
  Delete or Rename Existing Trace:
  
  If the existing trace file is no longer needed, you can delete it. In transaction ST05, you can delete traces by selecting the trace and choosing the delete option.
  Alternatively, if you want to keep the existing trace, consider renaming it or moving it to a different location.
  
  
  
  Use a Different Name:
  
  When copying the trace, ensure that you specify a different name for the new trace file to avoid conflicts.
  
  
  
  Check for Active Traces:
  
  Ensure that there are no active traces running that might be causing the conflict. You can stop any active traces before attempting to copy.
  
  
  
  Consult SAP Notes:
  
  If the issue persists, check for any relevant SAP Notes that might provide additional insights or solutions specific to your SAP version.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  ST05: SQL Trace
  ST12: Combined Trace
  ST22: Dump Analysis (to check for any related dumps)
  
  
  
  SAP Documentation: 
  
  Refer to the official SAP Help Portal for detailed documentation on tracing and performance analysis.
  
  
  
  Performance Analysis: 
  
  Traces are essential for performance tuning and debugging. Ensure that you manage them properly to avoid conflicts.
  
  
  
  By following these steps, you should be able to resolve the RSTT0156 error and successfully copy the trace file as needed.