Rails scaffold error

gistfile1.rb

  <% if @company.errors.any? %>
    <div class="alert alert-error">
      <a class="close" data-dismiss="alert">&times;</a>
      <h2><%= pluralize(@company.errors.count, "error") %> prohibited this company from being saved:</h2>

      <ul>
      <% @company.errors.full_messages.each do |msg| %>
        <li><%= msg %></li>
      <% end %>
      </ul>
    </div>
  <% end %>