Devise Error

_form.html.erb

<%= form_for(resource, :as => resource_name, :url => session_path(resource_name)) do |f| %>
 
  <div><%= f.label :email %>
  <%= f.email_field :email, :style => "margin-bottom: 15px" %></div>
 
  <div><%= f.label :password %>
  <%= f.password_field :password , :style => "margin-bottom: 15px" %></div>
 
  <% if devise_mapping.rememberable? %>
    <div><%= f.check_box :remember_me, :style => "float: left; margin-right: 10px" %>
  <%= f.label :remember_me, :class => "string optional" %></div>
  <% end %>
 
  <div><%= f.submit "Sign in", :class => "btn btn-primary", :style => "clear: left; width: #{@btn_width}; height: 32px; font-size: 13px;" %></div>
 
<% end %>

error

Showing /Volumes/Hades/Websites/Raisen/app/views/devise/sessions/_form.html.erb where line #7 raised:
 
wrong number of arguments (3 for 2)
Extracted source (around line #7):
4
5
6
7
8
9
10
          
    end
  %>
  
  <%= form_for(resource, :as => resource_name, :url => session_path(resource_name)) do |f| %>
  
    <div><%= f.label :email %>
    <%= f.email_field :email, :style => "margin-bottom: 15px" %></div>
 
Trace of template inclusion: app/views/devise/sessions/new.html.erb
 
Rails.root: /Volumes/Hades/Websites/Raisen
 
Application Trace | Framework Trace | Full Trace
app/views/devise/sessions/_form.html.erb:7:in `_app_views_devise_sessions__form_html_erb__317816936233481467_70108264206020'
app/views/devise/sessions/new.html.erb:3:in `_app_views_devise_sessions_new_html_erb___2158182548591158396_70108296662180'

routes.rb

Raisen::Application.routes.draw do
  
  devise_for :users, :controllers => {:registrations => "registrations"}, :path_prefix => 'd'
  resources :users, only: :index
  
  resources :accounts, :only => [:index, :new, :create, :destroy]
 
  root :to => 'home#index'
  
end

Hello，Are you a foreigner？Where are you from?