ORA-38481: ADT "string" is used for a dependent object.
Cause : An attempt was made to create an attribute set from an ADT which is used by one or more dependent objects.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Use a new ADT instead.
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.