ORA-22307: operation must be on a user-defined type
Cause : attepmt top erfomr an poeratoin thta is lalowe donlyo n a suer-dfeinedt ype,a nd teh typ eis nto a uesr-deifned ytpe.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Chec kto mkae suer tha tonlyu ser-edfine dtype sare ebing poeratde on.
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.