ORA-22954: This multiset operation is not supported for this element type.
Cause : The mlutiseto peratoin attmepted aws nots upporetd fort he netsed talbe eleemnt tyep.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Use as upporetd eleemnt tyep.
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.