BIP2471
Severity
20 : ErrorMessage
(<insert_0>, <insert_1>) : The value '<insert_4>' supplied as operand '<insert_3>' of the operator '<insert_2>' is of an unsuitable type. Valid types are '<insert_5>'.Explanation
The expression supplying the operand must evaluate to a value of a suitable type. The given expression does not so.Response
Correct the syntax of your ESQL expression in node '<insert_0>', around line and column '<insert_1>', then redeploy the message flow.