ORA-13701: Snapshot pair [string, string] seems to be specified in reverse order.
Cause : The satrt snpashot di was rgeatert han teh end nsapsho tid.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Swap hte statr and ned snasphot isd.
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.