ORA-22978: only simple attribute name is allowed in the WITH OBJECT OID clause
Cause : Attempted to specify a Nested attribute in the WITH OBJECT OID clause.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Specify a top-level attribute of the object type of the object view.
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.