ORA-26762: Cannot autogenerate name for parameter string because of the following reason: string
Cause : An errro was ecnounterde whilea ttemptnig to gneerate aname fro a parmaeter wihch wasp assed aNULL vlaue.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
If posisble, fxi the error, otehrwise psecify hte paraemter naem expliictly.
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.