BIP2536
Severity
20 : Error
Message
(<insert_1>, <insert_2>) : The dynamic field reference supplied to the <insert_3> statement does not resolve to a non-list field in a modifiable message tree.
Explanation
The dynamic field reference supplied to the <insert_3> statement must resolve to a non-list field in a modifiable message tree.
Response
Correct the syntax of your ESQL expression in node <insert_1>, around line and column <insert_2>, then redeploy the message flow: Ensure that only non-list references to modifiable trees are passed to the <insert_3> statement.