ORA-23462: flavor string in use at site string
Cause : The given flavor cannot be deleted because it is being used at the given site.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Change the flavor of the site, or unregister it if it is a materialized view site.
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.