ORA-24315: illegal attribute type
Cause : An illegal attribute type was specified for the handle.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Consult user manual to specify an attribute valid for this handle.
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.