ORA-19206: Invalid value for query or REF CURSOR parameter
Cause: The queryString argument passed to DBMS_XMLGEN.newContext was not a valid query, or REF CURSOR.
Action: Rewrite the query so that the queryString argument is a valid query or REF CURSOR.
Cause: The queryString argument passed to DBMS_XMLGEN.newContext was not a valid query, or REF CURSOR.
Action: Rewrite the query so that the queryString argument is a valid query or REF CURSOR.
