BIP4013
Severity
20 : Error
Message
(<insert_0>, <insert_1>) : An expression must be given between braces in a trace pattern.
Explanation
The text between braces ('<insert_', '>') in a trace pattern configuring a trace node must consist of a valid SQL expression defining the value to be traced. The preceding message will give the identity of the trace node and the message flow in which it was defined.
Response
Correct the trace pattern and redeploy the message flow.