ORA-19750: change tracking file: 'string'
Cause : This message reports the name of a file involved in other messages.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
See associated error messages for a description of the problem.
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.