BIP2536
Severity
20 : ErrorMessage
(<insert_0>, <insert_1>) : The dynamic field reference supplied to the <insert_2> statement does not resolve to a non-list field in a modifiable message tree.Explanation
The dynamic field reference supplied to the <insert_2> statement must resolve to a non-list field in a modifiable message tree.Response
Correct the syntax of your ESQL expression in node '<insert_0>', around line and column '<insert_1>', then redeploy the message flow: Ensure that only non-list references to modifiable trees are passed to the <insert_2> statement.