Error Message: How to Resolve No Ransack::Search object was provided to search_form_for!

ArgumentError in Home#top
No Ransack:: Search object was provided to search_form_for!


Extracted source (around line #3):
              <%if user_signed_in?%>
  <aside class="sidebar">
  <%=search_form_for@qdo|f|%>

  <div class="form-group">
    <%=f.label:name_cont, 'Event Name'%>

<%if user_signed_in?%>
  <aside class="sidebar">
  <%=search_form_for@qdo|f|%>

  <div class="form-group">
    <%=f.label:name_cont, 'Event Name'%>
    <%=f.text_field:name_cont,class:'form-control'%>
  </div>
  <div class="form-group">
    <%=f.label: start_time_qteq, 'date' %>
    <div>
      <%=f.date_select:start_time_qteq, prompt:true%>
    </div>
  </div>
  <%=f.submit 'search', class: 'byn btn-default'%>
  <%end%>

  </aside>

    <ul class="notes">
    <h2>List of events</h2>
   <%=render@events%>
   <%=paginate@events%> 
  </ul>


<%else%>
  <div class="top-wrapper">
    <%=image_tag "gatebook_cover.png"%>
    <div class="register-wrapper">
      <h1><%=@message%></h1>
      <%=link_to "New Registration", new_user_registration_path, class: "btn btn-large register-btn" %>
    </div>
  </div>
<%end%>

class HomeController <ApplicationController

PER = 3

deftop
    if user_signed_in?
      @note=Note.new
      @notes=Note.all.order(created_at::desc)
      # @ event = Event.new
      # @ events = Event.all.order (created_at::desc)
      @event=Event.new
      @events=Event.all.order(created_at::desc).page(params[:page]).per(PER)
      @user=User.new
      #@q = Event.ransack (params[:q])
      # @[email protected](distinct:true)
    else
      @message="Welcome to the prototype site!"
    end
  end

def index
@q = Event.search (params[:q])
@[email protected](distinct:true)
end

private

def search_params
  param.require(:q).permit!
  resocue
  { start_time_qteq:Time.zone.now}
  end

  about
  end

  include ApplicationHelper
end

class EventsController <ApplicationController
  before_action —Authenticate_user!
  before_action: correct_user, only: [:edit,:update]
  before_action: set_event, only: [:show,:edit,:update,:destroy]
  include ApplicationHelper

  def show
  end

  def index
    @ events = Event.all
  end

  def new
   event=Event.new
  end

  def create
    @event=current_user.events.build(event_params)
    [email protected]
      redirect_to @event, notice: "Post Saved"
    else
      # Please define @notes
      @ events = Event.all.order (created_at::desc)
      # Change the view displayed by the render method to views/home/top.html.erb
      render 'home/top'

    end
  end

  default
  end

 default update
    file=params[:event][:image]
    @event.set_eventimage(file)

    [email protected](event_params)
      redirect_to @event, notice: 'User information updated'
    else
      render —edit
    end
 end

class Event <ActiveRecord::Base
  values:user_id, presence:true
  values:name, presence:true
  values:place,presence:true,length:{maximum:100}
  values:content, presence:true, length:{maximum:2000}
  validate —start_time
  validate —end_time
  validate —start_time_should_be_before_end_time

  belongs_to —user

  paginates_per2

  private

  def start_time_should_be_before_end_time
    return unless start_time&end_time

    if start_time>=end_time
      errors.add('Start time must be set before end time')
    end
  end

  default_eventimage(file)
      if!file.nil?
        file_name = file.original_filename
        File.open("public/event_images/#{file_name}, 'wb') {|f|f.write(file.read)}
        self.image=file_name
      end
  end


end

source 'https://rubygems.org'
 # Bundle edge Rails installed: gem 'rails', github: 'rails/rails'
   gem 'rails', '4.2.5'
 # Use sqlite3 as the database for Active Record
   gem'sqlite3'
 # Use SCSS for stylesheets
   gem'sass-rails', '~>5.0'
 # Use Uglifier as compressor for JavaScript assemblies
   gem 'uglifer', '>=1.3.0'
 # Use CoffeeScript for.coffee assemblies and views
   gem 'coffee-rails', '~>4.1.0'
  # See https://github.com/rails/execjs#readme for more supported runtime
 # gem'therubyracer', platforms::ruby
 # Use jquery as the JavaScript library
   gem 'jquery-rails'
  # Turbolinks makes following links in your web application faster.Read more: https://github.com/rails/turbolinks
gem'turbolinks'
 # Build JSON APIs with ease.Read more: https://github.com/rails/jbuilder
 gem 'jbuilder', '~>2.0'
 # bundle execrake doc —rails generate the API under doc/api.
 gem'sdoc', '~>0.4.0', group::doc
 # Use ActiveModel has_secure_password
 # gem 'bcrypt', '~>3.1.7'
 # Use Unicorn as the app server
 # gem 'unicorn'
  # Use Capistrano for deployment
  # gem 'capistrano-rails', group::development
    group:development,:test do
   # Call'byebug'anywhere in the code to stop execution and get a debugger console
   gem 'byebug'
   end
   group —Development do
   # Access an IRB console on exception pages or by using <%=console%>in views
  gem 'web-console', '~>2.0'
  # Spring speeds up development by keeping your application running in the background.Read more: https://github.com/rails/spring
  gem 'spring'
source 'http://rubygems.org'
gem 'hirb'
gem 'device', '3.5.1'
gem'kaminari'
gem 'bootstrap-ass', '3.2.0.0'
gem 'ransack', '~>1.2.2'
end