ORA-08460: invalid environment clause in environment parameter
Cause : The environment parameter passed to a UTL_PG conversion routine contained an unsupported or invalid environment clause. Only the CURRENCY SIGN and the DECIMAL-POINT IS COMMA environment clauses are supported.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Correct the environment parameter.
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.