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 - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Rewrite the query so that the queryString argument is a valid query or REF CURSOR.
Well, the reason for above error is that i have taken the above script from a 11g database and running it on 10g database. 11g has bring some changes in password management. Below code is executed on 11g and user created successfully, which is expected result.