ORA-19163: XP0004 - XQuery type mismatch: argument type mismatch: expected - 'string' got - 'string' for function 'string'
Cause : The type of the arguments that were passed to the given function was not valid.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Fix the arguments to be of a type appropriate for the given function.
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.