registration form

wen i add fields to registration form ... they get inserted ..but while registration when i click on submit button ,it gives an error that the username already exists ,password doesnt match and has less characters ...basically it gives error for all the defualt fields ie display  name,password n email ,,, do we have to configure these fields too??

Form and related plugins

Form and related plugins

User-generated content, flexible user and group profiles, registration forms, custom file forms