How To Fix 0S145 - You have already switched on the RFC trace

0S145 - Overview

• Message type: E = Error

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

• Message number: 145

• Message text: You have already switched on the RFC trace

Self-Explanatory Message

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0S145 - Details

• The SAP error message 0S145 ("You have already switched on the RFC trace") typically occurs when you attempt to enable the RFC (Remote Function Call) trace in an SAP system, but it is already active. This can happen in various scenarios, such as when troubleshooting issues related to RFC connections or performance.
  
  Cause:
  The error indicates that the RFC trace is already enabled for the user or system context you are working in. This can happen if:
  
  The trace was previously activated and not turned off.
  Multiple attempts to activate the trace are made without deactivating it first.
  
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Current Trace Status:
  
  Use transaction code SM59 to check the status of the RFC connections and see if the trace is already active.
  
  
  
  Deactivate the RFC Trace:
  
  If you need to turn off the trace, you can do so by using the appropriate transaction or command. In many cases, you can