skill-assessment-app/app/views/shared/_form_model_errors.html.erb

<% if flash[:error].present? %>
  <div class="error">
    <%= flash[:error] %>
    <% obj.errors.messages.each do |k,v| %>
      <div><%= "#{k.to_s} #{v.join(' and ')}" %></div>
    <% end %>
  </div>
<% end %>