Message type: E = Error
Message class:  RSTT0 - Trace Tool: Message Class Engine Layer 
Message number: 155
Message text: Warnings occurred while checking trace '&1'
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.
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The SAP error message RSTT0155 indicates that there were warnings encountered while checking a trace in the SAP system. This message is typically related to the SAP Trace Tool (transaction ST01 or ST05), which is used for performance analysis and debugging.
Cause: The warnings can arise from various issues, including but not limited to: Trace
Configuration Issues: The trace may not be configured correctly, leading to warnings during the check. Insufficient Authorizations: The user may not have the necessary authorizations to access certain objects or data while checking the trace. Inconsistent Data: There may be inconsistencies or errors in the data being traced, which can trigger warnings. Performance Issues: The trace may reveal performance bottlenecks or other issues that need to be addressed.
Solution: To resolve the RSTT0155 warning, you can take the following steps: Review the Trace: Check the details of the trace that generated the warning. Look for specific messages or codes that indicate what the warnings
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