title: wrong number of arguments (given 2, expected 0..1) while importing in Rails
body: <p>I am facing this error while trying to import the file:</p>
  
  <pre><code>ArgumentError - wrong number of arguments (given 2, expected 0..1):
    bartt-ssl_requirement (1.4.2) lib/url_for.rb:9:in `url_for_with_secure_option'
    actionpack (4.2.6) lib/action_dispatch/routing/url_for.rb:156:in `url_for'
    actionview (4.2.6) lib/action_view/routing_url_for.rb:83:in `url_for'
    actionview (4.2.6) lib/action_view/helpers/form_tag_helper.rb:818:in `block in html_options_for_form'
    actionview (4.2.6) lib/action_view/helpers/form_tag_helper.rb:814:in `tap'
    actionview (4.2.6) lib/action_view/helpers/form_tag_helper.rb:814:in `html_options_for_form'
    client_side_validations (4.2.5) lib/client_side_validations/action_view/form_tag_helper.rb:11:in `html_options_for_form'
    actionview (4.2.6) lib/action_view/helpers/form_tag_helper.rb:68:in `form_tag'
    app/views/map_fields/_map_fields.html.erb:1:in `_app_views_map_fields__map_fields_html_erb__4421720753810523207_114950960'
    actionview (4.2.6) lib/action_view/template.rb:145:in `block in render'
    activesupport (4.2.6) lib/active_support/notifications.rb:166:in `instrument'
    actionview (4.2.6) lib/action_view/template.rb:333:in `instrument'
    actionview (4.2.6) lib/action_view/template.rb:143:in `render'
    actionview (4.2.6) lib/action_view/renderer/partial_renderer.rb:339:in `render_partial'
    actionview (4.2.6) lib/action_view/renderer/partial_renderer.rb:310:in `block in render'
    actionview (4.2.6) lib/action_view/renderer/abstract_renderer.rb:39:in `block in instrument'
    activesupport (4.2.6) lib/active_support/notifications.rb:164:in `block in instrument'
    activesupport (4.2.6) lib/active_support/notifications/instrumenter.rb:20:in `instrument'
    activesupport (4.2.6) lib/active_support/notifications.rb:164:in `instrument'
    actionview (4.2.6) lib/action_view/renderer/abstract_renderer.rb:39:in `instrument'
    actionview (4.2.6) lib/action_view/renderer/partial_renderer.rb:309:in `render'
    actionview (4.2.6) lib/action_view/renderer/renderer.rb:51:in `render_partial'
    actionview (4.2.6) lib/action_view/renderer/renderer.rb:25:in `render'
    actionview (4.2.6) lib/action_view/helpers/rendering_helper.rb:32:in `render'
    app/views/contacts/mapper.html.erb:6:in `_app_views_contacts_mapper_html_erb__581327880311440466_115596220'
    actionview (4.2.6) lib/action_view/template.rb:145:in `block in render'
    activesupport (4.2.6) lib/active_support/notifications.rb:166:in `instrument'
    actionview (4.2.6) lib/action_view/template.rb:333:in `instrument'
    actionview (4.2.6) lib/action_view/template.rb:143:in `render'
    actionview (4.2.6) lib/action_view/renderer/template_renderer.rb:54:in `block (2 levels) in render_template'
    actionview (4.2.6) lib/action_view/renderer/abstract_renderer.rb:39:in `block in instrument'
    activesupport (4.2.6) lib/active_support/notifications.rb:164:in `block in instrument'
    activesupport (4.2.6) lib/active_support/notifications/instrumenter.rb:20:in `instrument'
    activesupport (4.2.6) lib/active_support/notifications.rb:164:in `instrument'
    actionview (4.2.6) lib/action_view/renderer/abstract_renderer.rb:39:in `instrument'
    actionview (4.2.6) lib/action_view/renderer/template_renderer.rb:53:in `block in render_template'
    actionview (4.2.6) lib/action_view/renderer/template_renderer.rb:61:in `render_with_layout'
    actionview (4.2.6) lib/action_view/renderer/template_renderer.rb:52:in `render_template'
    actionview (4.2.6) lib/action_view/renderer/template_renderer.rb:14:in `render'
    actionview (4.2.6) lib/action_view/renderer/renderer.rb:46:in `render_template'
    actionview (4.2.6) lib/action_view/renderer/renderer.rb:27:in `render'
    actionview (4.2.6) lib/action_view/rendering.rb:100:in `_render_template'
    actionpack (4.2.6) lib/action_controller/metal/streaming.rb:217:in `_render_template'
    actionview (4.2.6) lib/action_view/rendering.rb:83:in `render_to_body'
    actionpack (4.2.6) lib/action_controller/metal/rendering.rb:32:in `render_to_body'
    actionpack (4.2.6) lib/action_controller/metal/renderers.rb:37:in `render_to_body'
    actionpack (4.2.6) lib/abstract_controller/rendering.rb:25:in `render'
    actionpack (4.2.6) lib/action_controller/metal/rendering.rb:16:in `render'
    actionpack (4.2.6) lib/action_controller/metal/instrumentation.rb:44:in `block (2 levels) in render'
    activesupport (4.2.6) lib/active_support/core_ext/benchmark.rb:12:in `block in ms'
    /home/myuser/.rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/benchmark.rb:308:in `realtime'
    activesupport (4.2.6) lib/active_support/core_ext/benchmark.rb:12:in `ms'
    actionpack (4.2.6) lib/action_controller/metal/instrumentation.rb:44:in `block in render'
    actionpack (4.2.6) lib/action_controller/metal/instrumentation.rb:87:in `cleanup_view_runtime'
    activerecord (4.2.6) lib/active_record/railties/controller_runtime.rb:25:in `cleanup_view_runtime'
    actionpack (4.2.6) lib/action_controller/metal/instrumentation.rb:43:in `render'
    remotipart (1.2.1) lib/remotipart/render_overrides.rb:14:in `render_with_remotipart'
    app/controllers/contacts_controller.rb:143:in `mapper'
    actionpack (4.2.6) lib/action_controller/metal/implicit_render.rb:4:in `send_action'
    actionpack (4.2.6) lib/abstract_controller/base.rb:198:in `process_action'
    actionpack (4.2.6) lib/action_controller/metal/rendering.rb:10:in `process_action'
    actionpack (4.2.6) lib/abstract_controller/callbacks.rb:20:in `block in process_action'
    activesupport (4.2.6) lib/active_support/callbacks.rb:117:in `call'
    activesupport (4.2.6) lib/active_support/callbacks.rb:555:in `block (2 levels) in compile'
    activesupport (4.2.6) lib/active_support/callbacks.rb:505:in `call'
    activesupport (4.2.6) lib/active_support/callbacks.rb:92:in `__run_callbacks__'
    activesupport (4.2.6) lib/active_support/callbacks.rb:778:in `_run_process_action_callbacks'
    activesupport (4.2.6) lib/active_support/callbacks.rb:81:in `run_callbacks'
    actionpack (4.2.6) lib/abstract_controller/callbacks.rb:19:in `process_action'
    actionpack (4.2.6) lib/action_controller/metal/rescue.rb:29:in `process_action'
    actionpack (4.2.6) lib/action_controller/metal/instrumentation.rb:32:in `block in process_action'
    activesupport (4.2.6) lib/active_support/notifications.rb:164:in `block in instrument'
    activesupport (4.2.6) lib/active_support/notifications/instrumenter.rb:20:in `instrument'
    activesupport (4.2.6) lib/active_support/notifications.rb:164:in `instrument'
    actionpack (4.2.6) lib/action_controller/metal/instrumentation.rb:30:in `process_action'
    actionpack (4.2.6) lib/action_controller/metal/params_wrapper.rb:250:in `process_action'
    activerecord (4.2.6) lib/active_record/railties/controller_runtime.rb:18:in `process_action'
    actionpack (4.2.6) lib/abstract_controller/base.rb:137:in `process'
    actionview (4.2.6) lib/action_view/rendering.rb:30:in `process'
    actionpack (4.2.6) lib/action_controller/metal.rb:196:in `dispatch'
    actionpack (4.2.6) lib/action_controller/metal/rack_delegation.rb:13:in `dispatch'
    actionpack (4.2.6) lib/action_controller/metal.rb:237:in `block in action'
    actionpack (4.2.6) lib/action_dispatch/routing/route_set.rb:74:in `dispatch'
    actionpack (4.2.6) lib/action_dispatch/routing/route_set.rb:43:in `serve'
    actionpack (4.2.6) lib/action_dispatch/journey/router.rb:43:in `block in serve'
    actionpack (4.2.6) lib/action_dispatch/journey/router.rb:30:in `each'
    actionpack (4.2.6) lib/action_dispatch/journey/router.rb:30:in `serve'
    actionpack (4.2.6) lib/action_dispatch/routing/route_set.rb:817:in `call'
    meta_request (0.4.0) lib/meta_request/middlewares/app_request_handler.rb:13:in `call'
    meta_request (0.4.0) lib/meta_request/middlewares/meta_request_handler.rb:13:in `call'
    warden (1.2.6) lib/warden/manager.rb:35:in `block in call'
    warden (1.2.6) lib/warden/manager.rb:34:in `catch'
    warden (1.2.6) lib/warden/manager.rb:34:in `call'
    client_side_validations (4.2.5) lib/client_side_validations/middleware.rb:15:in `call'
    rack (1.6.4) lib/rack/etag.rb:24:in `call'
    rack (1.6.4) lib/rack/conditionalget.rb:38:in `call'
    rack (1.6.4) lib/rack/head.rb:13:in `call'
    remotipart (1.2.1) lib/remotipart/middleware.rb:27:in `call'
    actionpack (4.2.6) lib/action_dispatch/middleware/params_parser.rb:27:in `call'
    actionpack (4.2.6) lib/action_dispatch/middleware/flash.rb:260:in `call'
    rack (1.6.4) lib/rack/session/abstract/id.rb:225:in `context'
    rack (1.6.4) lib/rack/session/abstract/id.rb:220:in `call'
    actionpack (4.2.6) lib/action_dispatch/middleware/cookies.rb:560:in `call'
    activerecord (4.2.6) lib/active_record/query_cache.rb:36:in `call'
    activerecord (4.2.6) lib/active_record/connection_adapters/abstract/connection_pool.rb:653:in `call'
    actionpack (4.2.6) lib/action_dispatch/middleware/callbacks.rb:29:in `block in call'
    activesupport (4.2.6) lib/active_support/callbacks.rb:88:in `__run_callbacks__'
    activesupport (4.2.6) lib/active_support/callbacks.rb:778:in `_run_call_callbacks'
    activesupport (4.2.6) lib/active_support/callbacks.rb:81:in `run_callbacks'
    actionpack (4.2.6) lib/action_dispatch/middleware/callbacks.rb:27:in `call'
    rails-dev-tweaks (1.2.0) lib/rails_dev_tweaks/granular_autoload/middleware.rb:36:in `call'
    actionpack (4.2.6) lib/action_dispatch/middleware/remote_ip.rb:78:in `call'
    airbrake (4.3.8) lib/airbrake/rails/middleware.rb:13:in `call'
    better_errors (2.1.1) lib/better_errors/middleware.rb:84:in `protected_app_call'
    better_errors (2.1.1) lib/better_errors/middleware.rb:79:in `better_errors_call'
    better_errors (2.1.1) lib/better_errors/middleware.rb:57:in `call'
    actionpack (4.2.6) lib/action_dispatch/middleware/debug_exceptions.rb:17:in `call'
    rack-contrib (1.4.0) lib/rack/contrib/response_headers.rb:17:in `call'
    meta_request (0.4.0) lib/meta_request/middlewares/headers.rb:16:in `call'
    actionpack (4.2.6) lib/action_dispatch/middleware/show_exceptions.rb:30:in `call'
    railties (4.2.6) lib/rails/rack/logger.rb:38:in `call_app'
    railties (4.2.6) lib/rails/rack/logger.rb:20:in `block in call'
    activesupport (4.2.6) lib/active_support/tagged_logging.rb:68:in `block in tagged'
    activesupport (4.2.6) lib/active_support/tagged_logging.rb:26:in `tagged'
    activesupport (4.2.6) lib/active_support/tagged_logging.rb:68:in `tagged'
    railties (4.2.6) lib/rails/rack/logger.rb:20:in `call'
    actionpack (4.2.6) lib/action_dispatch/middleware/request_id.rb:21:in `call'
    rack (1.6.4) lib/rack/methodoverride.rb:22:in `call'
    rack (1.6.4) lib/rack/runtime.rb:18:in `call'
    activesupport (4.2.6) lib/active_support/cache/strategy/local_cache_middleware.rb:28:in `call'
    rack (1.6.4) lib/rack/lock.rb:17:in `call'
    actionpack (4.2.6) lib/action_dispatch/middleware/static.rb:120:in `call'
    rack (1.6.4) lib/rack/sendfile.rb:113:in `call'
    airbrake (4.3.8) lib/airbrake/user_informer.rb:16:in `_call'
    airbrake (4.3.8) lib/airbrake/user_informer.rb:12:in `call'
    railties (4.2.6) lib/rails/engine.rb:518:in `call'
    railties (4.2.6) lib/rails/application.rb:165:in `call'
    rack (1.6.4) lib/rack/content_length.rb:15:in `call'
    thin (1.5.1) lib/thin/connection.rb:81:in `block in pre_process'
    thin (1.5.1) lib/thin/connection.rb:79:in `catch'
    thin (1.5.1) lib/thin/connection.rb:79:in `pre_process'
    thin (1.5.1) lib/thin/connection.rb:54:in `process'
    thin (1.5.1) lib/thin/connection.rb:39:in `receive_data'
    eventmachine (1.0.9.1) lib/eventmachine.rb:193:in `run_machine'
    eventmachine (1.0.9.1) lib/eventmachine.rb:193:in `run'
    thin (1.5.1) lib/thin/backends/base.rb:63:in `start'
    thin (1.5.1) lib/thin/server.rb:159:in `start'
    rack (1.6.4) lib/rack/handler/thin.rb:19:in `run'
    rack (1.6.4) lib/rack/server.rb:286:in `start'
    railties (4.2.6) lib/rails/commands/server.rb:80:in `start'
    railties (4.2.6) lib/rails/commands/commands_tasks.rb:80:in `block in server'
    railties (4.2.6) lib/rails/commands/commands_tasks.rb:75:in `tap'
    railties (4.2.6) lib/rails/commands/commands_tasks.rb:75:in `server'
    railties (4.2.6) lib/rails/commands/commands_tasks.rb:39:in `run_command!'
    railties (4.2.6) lib/rails/commands.rb:17:in `&lt;top (required)&gt;'
    bin/rails:4:in `require'
    bin/rails:4:in `&lt;main&gt;'
  </code></pre>
  
  <p>It is showing in following files:</p>
  
  <p>In views/map_fields/_map_fields.html.erb:</p>
  
  <pre><code>&lt;%= form_tag nil, :id =&gt; 'map_fields_form', :method =&gt; :post do -%&gt;
  </code></pre>
  
  <p>In controller:</p>
  
  <pre><code>class ContactsController &lt; ApplicationController
    require_dependency 'map_fields'
    map_fields :mapper, ['First Name','Last Name', 'Email', 'Notes'], :file_field =&gt; :file, :params =&gt; [:contact]
  
    def create
      @user = User.find(params[:user_id])
      @contact = @user.contacts.create(contact_params)
      respond_to do |format|
        if @contact.save
          format.json { render :json =&gt; { :notice =&gt; 'Contact was successfully created!',:redirect =&gt; user_contacts_url} }
          format.html { redirect_to(user_contacts_url(@user), :notice =&gt; 'Contact was successfully created!', :type =&gt; 'success') }
         else
          format.json { render :json =&gt; {:redirect =&gt; false} }
          format.html { render :action =&gt; "edit" }
        end
      end
    end
    def import
      @contact = Contact.new 
    end
      def mapper
      @contact = Contact.new(params[:contact])
      count = 0
  
      if fields_mapped?
        mapped_fields.each do |row|
          params[:contact] = {"user_id" =&gt; @current_user.id, "firstname" =&gt; row[0], "lastname" =&gt; row[1], "notes" =&gt; row[3], "email" =&gt; row[2].try(:strip)}
          contact = Contact.new(params[:contact])
  
          if contact.save
            count = count + 1
          end
        end
  
        if count &gt; 0
          flash[:notice] = "#{count} Contact(s) created"
          redirect_to :action =&gt; :index
        else 
          flash[:notice] = "No contact was created..." 
          redirect_to :action =&gt; :index
        end
  
      else
        @best_row = @rows[1]
        render #here I am getting error.
      end
  
      rescue MapFields::InconsistentStateError
        flash[:error] = 'Please try again'
        redirect_to :action =&gt; :import
      rescue MapFields::MissingFileContentsError
        flash[:error] = 'Please upload a file'
        redirect_to :action =&gt; :import
    end
   # followed by some methods and contact_params
  end
  </code></pre>
  
  <p>If I am correct nil values are passed here, so that it is showing the error. Please help me.</p>