ORA-13520: Database id (string) not registered, Status = string
Cause : The operation failed because the specified database ID was not registered in the Workload Repository properly.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
check the status of database id and retry the operation.
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.