BIP2471
Severity
20 : Error
Message
(<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 evalaute to a value of a suitable type. The given expression does not so.
Response
Correct the logic of the ESQL program and re-deploy the message flow.