BIP2558
Severity
20 : Error
Message
(<insert_1>, <insert_2>) : Undefined function <insert_3>.<insert_4>.
Explanation
The program is attempting to call a function which is not defined or is not in the schema path.
Response
Correct the syntax of your ESQL expression in node <insert_1>, around line and column <insert_2>, then redeploy the message flow.