ORA-19583: conversation terminated due to error
Cause : An error occurred which forced the termination of the current backup or restore conversation.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
There should be other error messages to help identify the cause of the problem. Correct the error and begin another conversation.
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.