BIP2411
Severity
20 : Error
Message
(<insert_1>, <insert_2>) : The source expression did not evaluate to a ROW.
Explanation
When "INSERT" is specified as the target within a ROW, its source expression must also be a ROW.
Response
Correct the syntax of your ESQL expression in node <insert_1>, around line and column <insert_2>, then redeploy the message flow.