Getting a Bad Authentication data error

hashtag_question.rb

# Failure/Error: click_button 'Search'
# Twitter::Error::BadRequest:
# Bad Authentication data

# searches_controller.rb
class SearchesController < ApplicationController
  def create
    redirect_to search_path(params[:twitter][:search])
  end

  def show
  @tweets = Twitter.search("##{params[:id]}").results
  end
end