How To Fix 0S147 - You have already activated the table buffer trace

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 147

• Message text: You have already activated the table buffer trace

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 0S147 - You have already activated the table buffer trace ?

  The SAP error message 0S147 ("You have already activated the table buffer trace") typically occurs when there is an attempt to activate the table buffer trace for a table that is already being traced. This can happen in the context of performance analysis or debugging when you are trying to monitor the buffer behavior of a specific database table.
  
  Cause:
  The error is caused by the following scenarios:
  
  Duplicate Activation: The table buffer trace for the specified table is already activated, and a second attempt to activate it is made.
  Session Confusion: If multiple sessions are open, one session may have already activated the trace, leading to confusion in another session trying to activate it again.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Current Traces: Before activating the table buffer trace, check if it is already active. You can do this by using transaction ST05 (SQL Trace) or ST12 (Combined Trace) to