Message type: E = Error
Message class:  RSTT0 - Trace Tool: Message Class Engine Layer 
Message number: 148
Message text: Trace '&1' saved successfully
Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.
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.
Unfortunately, there isn't any extra information in this error notice.
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The SAP error message RSTT0148, which states "Trace '&1' saved successfully," is not actually an error message but rather an informational message indicating that a trace has been successfully saved in the system. This message is typically related to the SAP Trace Tool (ST01, ST05, etc.), which is used for performance analysis and debugging.
Cause: The message is generated when a trace session is completed and the trace data has been successfully written to a file or database table. The '&1' placeholder usually represents the name or identifier of the trace that was saved.
Solution: Since this is an informational message rather than an error, no specific action is required. However, if you are looking to analyze the trace data, you can do the following: Access the Trace Data: Use transaction codes like ST01 (System Trace) or ST05 (SQL Trace) to view the saved trace data. Analyze the Trace: Review the trace logs to identify performance
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