Ruby on Rails

<% if params[:search_func_register].present? %>
  <h4><b>Results</b></h4>
    <%= form_tag(@portability, name: 'form', method: :get) do %>
      <table>
        <thead>
          <tr>
            <th>&nbsp;</th>
            <th>Nº contract</th>
            <th>New parcel</th>
            <th>Action</th>
          </tr>
        </thead>
        <tbody>
          <% @authorizations.each do |authorization| %>
            <tr>
              <td><%= radio_button_tag 'authorization', authorization.number_contract %></td>
              <td><%= authorization.number_contract %></td>
              <td>
                <input placeholder="Enter" type="text" name="portability_new_parcel" id="portability_new_parcel">
              </td>
              <td><%= link_to "Request", new_portability_path %></td>
            </tr>
          <% end %>
        </tbody>
      </table>
    <% end %>
<% end %>

 def index
    if params[:search_func_register]
      @employee = Employee.where(register: params[:search_func_register]).includes(:authorizations)
    else
      @portabilities = Portability.all
    end
  end
  def solicit
    if params[:search_func_register]
      @employee = Employee.where(register: params[:search_func_register]).includes(:authorizations)
      @authorizations = Authorization.where(employee_id: @employee)
      @portability = Portability.new
    else
      @authorizations = Authorization.all
    end
  end

undefined method `model_name' for nil:NilClass

resources :portabilities, except: :destroy do
    collection do
      get 'solicit'
    end
  end