ORA-29377: consumer group string is not part of top-plan string
Cause : OTHER_GROUPS was not included as part of the specified top-plan. Each top plan must include the built-in consumer group OTHER_GROUPS.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Create a plan directive with the argument GROUP_OR_SUBPLAN being OTHER_GROUPS somewhere in the top-plan.
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.