BIP2471
Severity
20 : Error
Message
(<insert_1>, <insert_2>) : The value <insert_5> supplied as operand <insert_4> of the operator <insert_3> is of an unsuitable type. Valid types are <insert_6>.
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_1>, around line and column <insert_2>, then redeploy the message flow.