ORA-00308: cannot open archived log 'string'
Cause : The system cannot access a required archived redo log file.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Check that the off line log exists, the storage device is online, and the archived file is in the correct location. Then attempt to continue recovery or restart the recovery session.
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.