title: Why am I getting undefined method with partial?
body: <p>It had just worked, but when I exited out of a bunch of files it stopped working so I need some fresh eyes to see what I need to put back or take out.</p>
  
  <p><div class="snippet" data-lang="js" data-hide="false">
  <div class="snippet-code">
  <pre class="snippet-code-html lang-html prettyprint-override"><code>app/views/goals/_upcoming.html.erb:2:in `_app_views_goals__upcoming_html_erb__311311984007827814_70285435296160'
  app/views/sidebar/_sidebar.html.erb:8:in `_app_views_sidebar__sidebar_html_erb__935147241238506257_70285436475880'
  app/views/layouts/application.html.erb:21:in `_app_views_layouts_application_html_erb__784590708649109669_70285432904920'</code></pre>
  </div>
  </div>
  </p>
  
  <pre><code>undefined method `each' for nil:NilClass
  Line #2   &lt;% @top_3_goals.each do |goal| %&gt;
  </code></pre>
  
  <p><strong>layouts/application.html.erb</strong>
  <div class="snippet" data-lang="js" data-hide="false">
  <div class="snippet-code">
  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;!DOCTYPE html&gt;
  &lt;html&gt;
  &lt;head&gt;
    &lt;title&gt;Personal Control Center&lt;/title&gt;
    &lt;%= stylesheet_link_tag    'application', media: 'all', 'data-turbolinks-track' =&gt; true %&gt;
    &lt;%= javascript_include_tag 'application', 'data-turbolinks-track' =&gt; true %&gt;
    &lt;%= csrf_meta_tags %&gt;
    &lt;meta name="viewport" content="width=device-width, initial-scale=1.0"&gt;  &lt;!-- Tells app to be mobile responsive --&gt;
  &lt;/head&gt;
  &lt;body&gt;
    &lt;%= render 'layouts/header' %&gt;
      &lt;% flash.each do |name, msg| %&gt;
        &lt;%= content_tag(:div, msg, class: "alert alert-info") %&gt;
      &lt;% end %&gt;
    &lt;div class="container-fluid"&gt;
      &lt;div class="container"&gt;
        &lt;div class="col-md-8"&gt;
          &lt;%= yield %&gt;
        &lt;/div&gt;
        &lt;div class="col-md-4"&gt;
          &lt;%= render 'sidebar/sidebar' %&gt;
        &lt;/div&gt;
      &lt;/div&gt;
    &lt;/div&gt;
  &lt;/body&gt;
  &lt;/html&gt;</code></pre>
  </div>
  </div>
  </p>
  
  <p><strong>sidebar/_sidebar.html.erb</strong>
  <div class="snippet" data-lang="js" data-hide="false">
  <div class="snippet-code">
  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;div class="sidebar"&gt;
  &lt;div id="sidebarsectiontop" class="panel panel-default"&gt;
  &lt;div id="sidebarheadingtop" class="panel-heading"&gt;&lt;h5&gt;&lt;b&gt;Today&lt;/b&gt;&lt;/h5&gt;&lt;/div&gt;
    &lt;%= render 'habits/today' %&gt;
  &lt;/div&gt;
  &lt;div id="sidebarsection" class="panel panel-default"&gt;
  &lt;div id="sidebarheading" class="panel-heading"&gt;&lt;h5&gt;&lt;b&gt;Upcoming&lt;/b&gt;&lt;/h5&gt;&lt;/div&gt;
    &lt;%= render 'goals/upcoming' %&gt;
  &lt;/div&gt;
  &lt;div id="sidebarsection" class="panel panel-default"&gt;
  &lt;div id="sidebarheading" class="panel-heading"&gt;&lt;h5&gt;&lt;b&gt;Count&lt;/b&gt;&lt;/h5&gt;&lt;/div&gt;
    &lt;%= render 'sidebar/count' %&gt;
   &lt;/div&gt;
  &lt;div id="sidebarsection" class="panel panel-default"&gt;
  &lt;div id="sidebarheading" class="panel-heading"&gt;&lt;h5&gt;&lt;b&gt;Tags&lt;/b&gt;&lt;/h5&gt;&lt;/div&gt;
   &lt;div id="tag_cloud"&gt;
    &lt;%= render 'sidebar/tags' %&gt; 
   &lt;/div&gt;
  &lt;/div&gt;
  &lt;div id="sidebarsection" class="panel panel-default"&gt;
  &lt;div id="sidebarheading" class="panel-heading"&gt;&lt;h5&gt;&lt;b&gt;Recommendations&lt;/b&gt;&lt;/h5&gt;&lt;/div&gt;
    &lt;%= render 'sidebar/recommendations' %&gt;
  &lt;/div&gt;
  &lt;div id="sidebarsectionbottom" class="panel panel-default"&gt;
  &lt;div id="sidebarheading" class="panel-heading"&gt;&lt;h5&gt;&lt;b&gt;Memorize&lt;/b&gt;&lt;/h5&gt;&lt;/div&gt;
    &lt;%= render 'sidebar/memorize' %&gt;
  &lt;/div&gt;
  &lt;/div&gt;</code></pre>
  </div>
  </div>
  </p>
  
  <p><strong>goals/upcoming.html.erb</strong></p>
  
  <p><div class="snippet" data-lang="js" data-hide="false">
  <div class="snippet-code">
  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;table&gt;
    &lt;% @top_3_goals.each do |goal| %&gt;
      &lt;tr&gt;
        &lt;td&gt;
          &lt;strong&gt;
            &lt;%= link_to top_3_goal.name, edit_goal_path(top_3_goal) %&gt;
          &lt;/strong&gt;
        &lt;/td&gt;
        &lt;td&gt;
          &lt;%= top_3_goals.deadline.strftime("%m-%d-%Y") %&gt;
        &lt;/td&gt;
      &lt;/tr&gt;
    &lt;% end %&gt;
  &lt;/table&gt;</code></pre>
  </div>
  </div>
  </p>
  
  <p><strong>goals controller</strong></p>
  
  <p><div class="snippet" data-lang="js" data-hide="false">
  <div class="snippet-code">
  <pre class="snippet-code-html lang-html prettyprint-override"><code>  def index
      if params[:tag]
        @goals = Goal.tagged_with(params[:tag])
      else
        @goals = Goal.all.order("deadline")
        @accomplished_goals = current_user.goals.accomplished
        @unaccomplished_goals = current_user.goals.unaccomplished
        @top_3_goals = @unaccomplished_goals.top_3
      end
    end</code></pre>
  </div>
  </div>
  </p>
  
  <p><strong>goal model</strong></p>
  
  <p><div class="snippet" data-lang="js" data-hide="false">
  <div class="snippet-code">
  <pre class="snippet-code-html lang-html prettyprint-override"><code>class Goal &lt; ActiveRecord::Base
   belongs_to :user
   acts_as_taggable
   scope :accomplished, -&gt; { where(accomplished: true) }
   scope :unaccomplished, -&gt; { where(accomplished: false) }
   validates :name, presence: true
  
   # class for sidebar
   scope :top_3, -&gt; do
     order("deadline DESC").
     limit(3)
   end
  end</code></pre>
  </div>
  </div>
  </p>
  
  <p><strong>sidebar controller</strong></p>
  
  <p><div class="snippet" data-lang="js" data-hide="false">
  <div class="snippet-code">
  <pre class="snippet-code-html lang-html prettyprint-override"><code>class SidebarController &lt; ApplicationController
  
    def sidebar
      @unaccomplished_goals = current_user.goals.unaccomplished
      @top_3_goals = @unaccomplished_goals.top_3
    end
  end</code></pre>
  </div>
  </div>
  </p>
  
  <p>Thanks I reset the database to see if that would work but it didn't :/</p>
  
  <p>I'm new to trying to incorporate a few different controllers in the sidebar so I'm still learning as I go. Here's the fulltrace:</p>
  
  <p><div class="snippet" data-lang="js" data-hide="false">
  <div class="snippet-code">
  <pre class="snippet-code-html lang-html prettyprint-override"><code>app/views/goals/_upcoming.html.erb:2:in `_app_views_goals__upcoming_html_erb__311311984007827814_70285435296160'
  actionview (4.2.0.rc3) lib/action_view/template.rb:145:in `block in render'
  activesupport (4.2.0.rc3) lib/active_support/notifications.rb:166:in `instrument'
  actionview (4.2.0.rc3) lib/action_view/template.rb:333:in `instrument'
  actionview (4.2.0.rc3) lib/action_view/template.rb:143:in `render'
  actionview (4.2.0.rc3) lib/action_view/renderer/partial_renderer.rb:339:in `render_partial'
  actionview (4.2.0.rc3) lib/action_view/renderer/partial_renderer.rb:310:in `block in render'
  actionview (4.2.0.rc3) lib/action_view/renderer/abstract_renderer.rb:39:in `block in instrument'
  activesupport (4.2.0.rc3) lib/active_support/notifications.rb:164:in `block in instrument'
  activesupport (4.2.0.rc3) lib/active_support/notifications/instrumenter.rb:20:in `instrument'
  activesupport (4.2.0.rc3) lib/active_support/notifications.rb:164:in `instrument'
  actionview (4.2.0.rc3) lib/action_view/renderer/abstract_renderer.rb:39:in `instrument'
  actionview (4.2.0.rc3) lib/action_view/renderer/partial_renderer.rb:309:in `render'
  actionview (4.2.0.rc3) lib/action_view/renderer/renderer.rb:47:in `render_partial'
  actionview (4.2.0.rc3) lib/action_view/helpers/rendering_helper.rb:35:in `render'
  haml (4.0.6) lib/haml/helpers/action_view_mods.rb:12:in `render_with_haml'
  app/views/sidebar/_sidebar.html.erb:8:in `_app_views_sidebar__sidebar_html_erb__935147241238506257_70285436475880'
  actionview (4.2.0.rc3) lib/action_view/template.rb:145:in `block in render'
  activesupport (4.2.0.rc3) lib/active_support/notifications.rb:166:in `instrument'
  actionview (4.2.0.rc3) lib/action_view/template.rb:333:in `instrument'
  actionview (4.2.0.rc3) lib/action_view/template.rb:143:in `render'
  actionview (4.2.0.rc3) lib/action_view/renderer/partial_renderer.rb:339:in `render_partial'
  actionview (4.2.0.rc3) lib/action_view/renderer/partial_renderer.rb:310:in `block in render'
  actionview (4.2.0.rc3) lib/action_view/renderer/abstract_renderer.rb:39:in `block in instrument'
  activesupport (4.2.0.rc3) lib/active_support/notifications.rb:164:in `block in instrument'
  activesupport (4.2.0.rc3) lib/active_support/notifications/instrumenter.rb:20:in `instrument'
  activesupport (4.2.0.rc3) lib/active_support/notifications.rb:164:in `instrument'
  actionview (4.2.0.rc3) lib/action_view/renderer/abstract_renderer.rb:39:in `instrument'
  actionview (4.2.0.rc3) lib/action_view/renderer/partial_renderer.rb:309:in `render'
  actionview (4.2.0.rc3) lib/action_view/renderer/renderer.rb:47:in `render_partial'
  actionview (4.2.0.rc3) lib/action_view/helpers/rendering_helper.rb:35:in `render'
  haml (4.0.6) lib/haml/helpers/action_view_mods.rb:12:in `render_with_haml'
  app/views/layouts/application.html.erb:21:in `_app_views_layouts_application_html_erb__784590708649109669_70285432904920'
  actionview (4.2.0.rc3) lib/action_view/template.rb:145:in `block in render'
  activesupport (4.2.0.rc3) lib/active_support/notifications.rb:166:in `instrument'
  actionview (4.2.0.rc3) lib/action_view/template.rb:333:in `instrument'
  actionview (4.2.0.rc3) lib/action_view/template.rb:143:in `render'
  actionview (4.2.0.rc3) lib/action_view/renderer/template_renderer.rb:66:in `render_with_layout'
  actionview (4.2.0.rc3) lib/action_view/renderer/template_renderer.rb:52:in `render_template'
  actionview (4.2.0.rc3) lib/action_view/renderer/template_renderer.rb:14:in `render'
  actionview (4.2.0.rc3) lib/action_view/renderer/renderer.rb:42:in `render_template'
  actionview (4.2.0.rc3) lib/action_view/renderer/renderer.rb:23:in `render'
  actionview (4.2.0.rc3) lib/action_view/rendering.rb:100:in `_render_template'
  actionpack (4.2.0.rc3) lib/action_controller/metal/streaming.rb:217:in `_render_template'
  actionview (4.2.0.rc3) lib/action_view/rendering.rb:83:in `render_to_body'
  actionpack (4.2.0.rc3) lib/action_controller/metal/rendering.rb:32:in `render_to_body'
  actionpack (4.2.0.rc3) lib/action_controller/metal/renderers.rb:37:in `render_to_body'
  actionpack (4.2.0.rc3) lib/abstract_controller/rendering.rb:25:in `render'
  actionpack (4.2.0.rc3) lib/action_controller/metal/rendering.rb:16:in `render'
  actionpack (4.2.0.rc3) lib/action_controller/metal/instrumentation.rb:41:in `block (2 levels) in render'
  activesupport (4.2.0.rc3) lib/active_support/core_ext/benchmark.rb:12:in `block in ms'
  /Users/galli01anthony/.rvm/rubies/ruby-2.1.3/lib/ruby/2.1.0/benchmark.rb:294:in `realtime'
  activesupport (4.2.0.rc3) lib/active_support/core_ext/benchmark.rb:12:in `ms'
  actionpack (4.2.0.rc3) lib/action_controller/metal/instrumentation.rb:41:in `block in render'
  actionpack (4.2.0.rc3) lib/action_controller/metal/instrumentation.rb:84:in `cleanup_view_runtime'
  activerecord (4.2.0.rc3) lib/active_record/railties/controller_runtime.rb:25:in `cleanup_view_runtime'
  actionpack (4.2.0.rc3) lib/action_controller/metal/instrumentation.rb:40:in `render'
  actionpack (4.2.0.rc3) lib/action_controller/metal/implicit_render.rb:10:in `default_render'
  actionpack (4.2.0.rc3) lib/action_controller/metal/implicit_render.rb:5:in `send_action'
  actionpack (4.2.0.rc3) lib/abstract_controller/base.rb:198:in `process_action'
  actionpack (4.2.0.rc3) lib/action_controller/metal/rendering.rb:10:in `process_action'
  actionpack (4.2.0.rc3) lib/abstract_controller/callbacks.rb:20:in `block in process_action'
  activesupport (4.2.0.rc3) lib/active_support/callbacks.rb:117:in `call'
  activesupport (4.2.0.rc3) lib/active_support/callbacks.rb:117:in `call'
  activesupport (4.2.0.rc3) lib/active_support/callbacks.rb:234:in `block in halting'
  activesupport (4.2.0.rc3) lib/active_support/callbacks.rb:234:in `call'
  activesupport (4.2.0.rc3) lib/active_support/callbacks.rb:234:in `block in halting'
  activesupport (4.2.0.rc3) lib/active_support/callbacks.rb:169:in `call'
  activesupport (4.2.0.rc3) lib/active_support/callbacks.rb:169:in `block in halting'
  activesupport (4.2.0.rc3) lib/active_support/callbacks.rb:169:in `call'
  activesupport (4.2.0.rc3) lib/active_support/callbacks.rb:169:in `block in halting'
  activesupport (4.2.0.rc3) lib/active_support/callbacks.rb:169:in `call'
  activesupport (4.2.0.rc3) lib/active_support/callbacks.rb:169:in `block in halting'
  activesupport (4.2.0.rc3) lib/active_support/callbacks.rb:92:in `call'
  activesupport (4.2.0.rc3) lib/active_support/callbacks.rb:92:in `_run_callbacks'
  activesupport (4.2.0.rc3) lib/active_support/callbacks.rb:734:in `_run_process_action_callbacks'
  activesupport (4.2.0.rc3) lib/active_support/callbacks.rb:81:in `run_callbacks'
  actionpack (4.2.0.rc3) lib/abstract_controller/callbacks.rb:19:in `process_action'
  actionpack (4.2.0.rc3) lib/action_controller/metal/rescue.rb:29:in `process_action'
  actionpack (4.2.0.rc3) lib/action_controller/metal/instrumentation.rb:31:in `block in process_action'
  activesupport (4.2.0.rc3) lib/active_support/notifications.rb:164:in `block in instrument'
  activesupport (4.2.0.rc3) lib/active_support/notifications/instrumenter.rb:20:in `instrument'
  activesupport (4.2.0.rc3) lib/active_support/notifications.rb:164:in `instrument'
  actionpack (4.2.0.rc3) lib/action_controller/metal/instrumentation.rb:30:in `process_action'
  actionpack (4.2.0.rc3) lib/action_controller/metal/params_wrapper.rb:250:in `process_action'
  activerecord (4.2.0.rc3) lib/active_record/railties/controller_runtime.rb:18:in `process_action'
  actionpack (4.2.0.rc3) lib/abstract_controller/base.rb:137:in `process'
  actionview (4.2.0.rc3) lib/action_view/rendering.rb:30:in `process'
  actionpack (4.2.0.rc3) lib/action_controller/metal.rb:195:in `dispatch'
  actionpack (4.2.0.rc3) lib/action_controller/metal/rack_delegation.rb:13:in `dispatch'
  actionpack (4.2.0.rc3) lib/action_controller/metal.rb:236:in `block in action'
  actionpack (4.2.0.rc3) lib/action_dispatch/routing/route_set.rb:73:in `call'
  actionpack (4.2.0.rc3) lib/action_dispatch/routing/route_set.rb:73:in `dispatch'
  actionpack (4.2.0.rc3) lib/action_dispatch/routing/route_set.rb:42:in `serve'
  actionpack (4.2.0.rc3) lib/action_dispatch/journey/router.rb:43:in `block in serve'
  actionpack (4.2.0.rc3) lib/action_dispatch/journey/router.rb:30:in `each'
  actionpack (4.2.0.rc3) lib/action_dispatch/journey/router.rb:30:in `serve'
  actionpack (4.2.0.rc3) lib/action_dispatch/routing/route_set.rb:802:in `call'
  rack (1.6.0) lib/rack/etag.rb:24:in `call'
  rack (1.6.0) lib/rack/conditionalget.rb:25:in `call'
  rack (1.6.0) lib/rack/head.rb:13:in `call'
  actionpack (4.2.0.rc3) lib/action_dispatch/middleware/params_parser.rb:27:in `call'
  actionpack (4.2.0.rc3) lib/action_dispatch/middleware/flash.rb:260:in `call'
  rack (1.6.0) lib/rack/session/abstract/id.rb:225:in `context'
  rack (1.6.0) lib/rack/session/abstract/id.rb:220:in `call'
  actionpack (4.2.0.rc3) lib/action_dispatch/middleware/cookies.rb:560:in `call'
  activerecord (4.2.0.rc3) lib/active_record/query_cache.rb:36:in `call'
  activerecord (4.2.0.rc3) lib/active_record/connection_adapters/abstract/connection_pool.rb:647:in `call'
  activerecord (4.2.0.rc3) lib/active_record/migration.rb:378:in `call'
  actionpack (4.2.0.rc3) lib/action_dispatch/middleware/callbacks.rb:29:in `block in call'
  activesupport (4.2.0.rc3) lib/active_support/callbacks.rb:88:in `call'
  activesupport (4.2.0.rc3) lib/active_support/callbacks.rb:88:in `_run_callbacks'
  activesupport (4.2.0.rc3) lib/active_support/callbacks.rb:734:in `_run_call_callbacks'
  activesupport (4.2.0.rc3) lib/active_support/callbacks.rb:81:in `run_callbacks'
  actionpack (4.2.0.rc3) lib/action_dispatch/middleware/callbacks.rb:27:in `call'
  actionpack (4.2.0.rc3) lib/action_dispatch/middleware/reloader.rb:73:in `call'
  actionpack (4.2.0.rc3) lib/action_dispatch/middleware/remote_ip.rb:78:in `call'
  actionpack (4.2.0.rc3) lib/action_dispatch/middleware/debug_exceptions.rb:17:in `call'
  actionpack (4.2.0.rc3) lib/action_dispatch/middleware/show_exceptions.rb:30:in `call'
  railties (4.2.0.rc3) lib/rails/rack/logger.rb:38:in `call_app'
  railties (4.2.0.rc3) lib/rails/rack/logger.rb:20:in `block in call'
  activesupport (4.2.0.rc3) lib/active_support/tagged_logging.rb:68:in `block in tagged'
  activesupport (4.2.0.rc3) lib/active_support/tagged_logging.rb:26:in `tagged'
  activesupport (4.2.0.rc3) lib/active_support/tagged_logging.rb:68:in `tagged'
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  actionpack (4.2.0.rc3) lib/action_dispatch/middleware/request_id.rb:21:in `call'
  rack (1.6.0) lib/rack/methodoverride.rb:22:in `call'
  rack (1.6.0) lib/rack/runtime.rb:18:in `call'
  activesupport (4.2.0.rc3) lib/active_support/cache/strategy/local_cache_middleware.rb:28:in `call'
  rack (1.6.0) lib/rack/lock.rb:17:in `call'
  actionpack (4.2.0.rc3) lib/action_dispatch/middleware/static.rb:113:in `call'
  rack (1.6.0) lib/rack/sendfile.rb:113:in `call'
  railties (4.2.0.rc3) lib/rails/engine.rb:518:in `call'
  railties (4.2.0.rc3) lib/rails/application.rb:164:in `call'
  rack (1.6.0) lib/rack/lock.rb:17:in `call'
  rack (1.6.0) lib/rack/content_length.rb:15:in `call'
  rack (1.6.0) lib/rack/handler/webrick.rb:89:in `service'
  /Users/galli01anthony/.rvm/rubies/ruby-2.1.3/lib/ruby/2.1.0/webrick/httpserver.rb:138:in `service'
  /Users/galli01anthony/.rvm/rubies/ruby-2.1.3/lib/ruby/2.1.0/webrick/httpserver.rb:94:in `run'
  /Users/galli01anthony/.rvm/rubies/ruby-2.1.3/lib/ruby/2.1.0/webrick/server.rb:295:in `block in start_thread'</code></pre>
  </div>
  </div>
  </p>