ORA-01613: instance string (thread string) only has string logs - at least 2 logs required to enable.
Cause : The thread cannot be enabled because it only has two online log files associated with it.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Add logs to the thread or pick another thread to enable
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.