How To Fix RSTT0177 - Trace ID '&1' is not unique; ID will be replaced by '&2'

RSTT0177 - Overview

• Message type: E = Error

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

• Message number: 177

• Message text: Trace ID '&1' is not unique; ID will be replaced by '&2'

Self-Explanatory Message

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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.

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RSTT0177 - Details

• The SAP error message RSTT0177 indicates that there is a conflict with the Trace ID in the SAP system. Specifically, it means that the Trace ID you are trying to use is not unique, and as a result, the system will replace it with another ID to ensure uniqueness.
  
  Cause:
  
  Duplicate Trace IDs: The primary cause of this error is that the Trace ID you are attempting to use already exists in the system. This can happen if multiple processes or sessions are trying to log traces with the same ID.
  System Configuration: There may be a configuration issue or a bug in the system that is causing Trace IDs to not be generated uniquely.
  
  
  Solution:
  
  Check Existing Traces: Review the existing trace logs to identify if the Trace ID you are trying to use is already in use. You can do this by navigating to the transaction code ST01 (System Trace) or ST05 (SQL