There is a lot of resources on SO about issues on Nested attributes in Rails 4 regarding strong parameters but I don\'t find any solution on this: (so sorry if it\'s a duplicate
Ok get it..
I think this is caused by simple_form:
= simple_form_for [:admin, @member] do |f| = f.simple_fields_for :profile, @member.profile do |pf| = pf.input :first_name = pf.input :last_name = f.input :email = f.button :submit