title: Rails -ransack gem not working on heroku postgres db
body: <p>(1) my ransack search function works locally on my sqlite3 db
  (2) when i search on deployed site i get this error in console
  <a href="https://i.stack.imgur.com/6n7m8.png" rel="nofollow noreferrer">here is screenshot</a></p>
  <p>this is my heroku console</p>
  <pre><code>2022-08-08T17:01:53.433036+00:00 heroku[router]: at=info method=GET path=&quot;/assets/turbo.min.js-a846cfe9aa92146457cc1c842185f5501c45f493ea69b21f1cdd191c039dee31.map&quot; host=boxingappproject.herokuapp.com request_id=62afd5a1-7c64-4eed-bb53-e59f4ab4ab95 fwd=&quot;92.235.54.153&quot; dyno=web.1 connect=0ms service=3ms status=200 bytes=58293 protocol=https
  </code></pre>
  <p>here is my view</p>
  <pre><code>&lt;%= search_form_for @q do |f| %&gt;
  
    &lt;!--Search if the name field contains...--&gt;
    &lt;%= f.label :blue_corner_cont%&gt;
    &lt;%= f.search_field :blue_corner_or_red_corner_or_date_cont, class: &quot;input-group-text&quot; %&gt;
  &lt;/div&gt;
  </code></pre>
  <p>here is my controler</p>
  <pre><code> def index
     
      #ransakc search
      @q= Fight.ransack(params[:q])
       @fights = @q.result
      
    end
  </code></pre>
  <p>my database is on latest migration both locally and deployed</p>