ORA-19695: fixed table x$krbmsft has not been populated
Cause : This is an internal error. The fixed table x$krbmaft was not populated using the function dbms_backup_restore.searchFiles.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Internal error - contact Oracle Customer Support.
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.