app/views/kalibro_ranges/_no_readings.html.erb
<div class="alert alert-error alert-dismissable">
<h4 class="alert-heading"><%= t('activemodel.errors.kalibro_range.no_readings') %></h4>
<p>
<% if reading_groups_owner? @reading_group_id %>
<br /><%= link_to t_action(:create, Reading), new_reading_group_reading_path(@reading_group_id), class: 'btn btn-danger' %>
<% else %>
<p><%= t('activemodel.errors.kalibro_range.reading_group_belongs_to_another') %></p>
<% end %>
</p>
</div>