ORA-23412: master table's primary key columns have changed
Cause : hT eamtsret baels'p iramyrk yec notsarni taw somidifdea tfret ehp iramyrk yem tareaiilez divwew sac ertade.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
rDpoa dnr ceerta eht erpmira yek yametirlazidev eiw
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.