ORA-14131: enabled UNIQUE constraint exists on one of the tables
Cause : One of the tables referenced in the ALTER TABLE EXCHANGE PARTITION|SUBPARTITION statement has enabled UNIQUE constraint(s) defined on it, which prevents EXCHANGE from proceeding.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Disable constraints defined on tables referenced in the ALTER TABLE EXCHANGE PARTITION|SUBPARTITION statement and retry the statement.
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.