BIP3201
Severity
20 : ErrorMessage
(<insert_0>, <insert_1>) : EXTERNAL SCHEMA clause specified for the routine '<insert_2>' that is not defined to be LANGUAGE DATABASE.Explanation
The EXTERNAL SCHEMA clause is only valid for routines that have an implicit or explit LANGUAGE DATABASE clause. The routine specified was '<insert_2>'.Response
Correct the syntax of your ESQL expression in node '<insert_0>', around line and column '<insert_1>', then redeploy the message flow.