ORA-24351: invalid date passed into OCI call
Cause : A bad date was passed into one of the OCI calls.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Check your date bind values and correct them.
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.