下記のエラーが出ています。検索したり、relationshipsのコントローラーで初期化の定義してみましたが解決しません。初学者ですので解説もいただけると助かります。

**NameError in Users#show**  
Showing /home/ec2-user/environment/rails6-bookers2-debug-
ruby3-main/app/views/users/_info.html.erb where line #13 raised:

uninitialized constant User::Relationships

```

            raise NameError.new("uninitialized constant #{candidates.first}", candidates.first)
            ^^^^^
    
```

Extracted source (around line #13):  
11  
12  
13  
14  
15  
16

follows followers

該当すると思われるコードを記載します。見づらい部分もあると思いますが、よろしくお願いします。

_info html.erb

```

    table class='table'>
      <tr><%= image_tag user.get_profile_image(100,100) %></tr>
      <tr>
          <th>name</th>
          <th><%= user.name %></th>
      </tr>
      <tr>
          <th>introduction</th>
          <th><%= user.introduction %></th>
      </tr>
      <tr>
        <th>follows</th>
        <th><%= link_to user.followings.count, user_followings_path(user) %></th>
      </tr>
      <tr>
        <th>followers</th>
        <th><%= link_to user.followers.count, user_followers_path(user) %></th>
      </tr>
    </table>
    
    <div class='row'>
      <%= link_to edit_user_path(user), class: "btn btn-outline-secondary btn-block" do %>
        <i class="fas fa-user-cog"></i>
      <% end %>
      </div>
    
    
    
    class RelationshipsController < ApplicationController
    
     before_action :authenticate_user!
    
      def create
        @user = User.find(params[:user_id])
        current_user.follow(params[:user_id])
        redirect_to request.referer
      end
    
      def destroy
        current_user.unfollow(params[:user_id])
        redirect_to request.referer
      end
    
      # フォロー一覧
      def followings
        user = User.find(params[:user_id])
        @users = user.followings
      end
     # フォロワー一覧
     def followers
       user = User.find(params[:user_id])
       @users = user.followers
     end
    
     def count(user)
      @count_following = user.following.count
      @count_follower = user.follower.count
     end
    end
    
    
    relationships.rb
    
    class Relationship < ApplicationRecord
      belongs_to :follower, class_name: "User"
      belongs_to :followed, class_name: "User"
    
    
    end
    
    
    
    user.rb
    
    class User < ApplicationRecord
      # Include default devise modules. Others available are:
      # :confirmable, :lockable, :timeoutable, :trackable and :omniauthable
      devise :database_authenticatable, :registerable,
             :recoverable, :rememberable, :validatable
    
      has_many :books
      has_one_attached :profile_image
      has_many :favorites, dependent: :destroy
      has_many :book_comments, dependent: :destroy
    
      has_many :relationships, class_name: "Relationships", foreign_key: "follower_id", dependent: :destroy
    
      has_many :followings, through: :relationships, source: :follow
    
      
      has_many :reverse_relationships, class_name: "Relationships", foreign_key: "followed_id", dependent: :destroy
    
      has_many :followers, through: :reverse_relationships, source: :follower
    
      validates :name, presence:true, length: { minimum: 2, maximum: 20 }, uniqueness: true
      validates :introduction, length: { maximum: 50 }
    
    
    
      def get_profile_image(a,b)
        unless profile_image.attached?
          file_path = Rails.root.join('app/assets/images/no_image.jpg')
          profile_image.attach(io: File.open(file_path), filename: 'no_image.jpg', content_type: 'image/jpeg')
        end
        profile_image.variant(resize_to_limit: [a, b]).processed
      end
    
       def follow(follower_ids)
        relationships.create(followed_id: user_id)
       end
     
      def unfollow(follower_ids)
       relationships.find_by(followed_id: user_id).destroy
      end
      
      def following?(user)
       followings.include?(user)
      end
    end
    
    <div class='container px-5 px-sm-0'>
      <div class='row'>
        <div class='col-md-3'>
          <h2>User info</h2>
          <%= render 'info', user: @user %>
          <h2 class="mt-3">New book</h2>
          <%= render 'books/form', book: @book %>
        </div>
        <div class='col-md-8 offset-md-1'>
          <h2>Books</h2>
          <%= render 'books/index',books: @books %>
        </div>
      </div>
    </div>
    
    
```
CC BY-SA 4.0
2023-06-02T00:59:25.333
95065
2023-06-02T00:59:25.333
58086
question
ruby-on-rails
フォロワー数とフォロー数をリンクで表示させたいです。