title: ActionView::TemplateError (undefined method `name' for nil:NilClass)
body: <p>I'm receiving the following error on my log:</p>
  
  <p>ActionView::TemplateError (undefined method `name' for nil:NilClass) on line #18 of app/views/notices/_nsv_data.html.erb:</p>
  
  <p>The code:</p>
  
  <pre><code>&lt;table border="0" cellspacing="0" cellpadding="0"&gt;
  &lt;% System.get_systems_in_display_order.each do |sys| -%&gt;
      &lt;tr&gt;
          &lt;td&gt;
            &lt;%= check_box_tag "systems[][id]", sys.id, nsv_data.has_system?(sys.id) %&gt;
            &lt;%= sys.name %&gt;
            &lt;% if sys.can_has_version? -%&gt;
                &lt;br/&gt;
              &lt;% options = options_for_select( sys.get_system_version_select_options, nsv_data.system_version_ids( sys.id ) ) -%&gt;
              &lt;%= select_tag "system_versions[#{sys.id}]", options, { :multiple =&gt; true, :size =&gt; 5, :id =&gt; "system__versions", :class =&gt; "system__box" } %&gt;
            &lt;% end -%&gt;
        &lt;/td&gt;
    &lt;/tr&gt;
  &lt;% end -%&gt;
  &lt;tr&gt;
      &lt;td&gt;
          &lt;%= check_box_tag "has_other", 1, nsv_data.has_other_system? %&gt;
          Other &lt;%= text_field_tag "other_system[name]", nsv_data.other_system.name %&gt;
      &lt;/td&gt;
  &lt;/tr&gt;
  </code></pre>
  
  <p></p>
  
  <p>The data which I'm trying to process is:</p>
  
  <p>Processing NoticesController#update (for 155.70.39.45 at 2012-02-16 14:21:39) [PUT]
    Session ID: c5af3ddbc05df2759e9824d62398aab2
    Parameters: {"commit"=>"Update", "other_system"=>{"name"=>""}, "notice"=>{"closed_at(4i)"=>"", "internal"=>"0", "severity"=>"3", "resolution"=>"", "isc_ticket_id"=>"", "will_call_code"=>"", "closed_at(5i)"=>"", "ima_table_override"=>"0", "investigation"=>"0", "will_call_at(1i)"=>"", "closed"=>"0", "onset(1i)"=>"2011", "will_call_at(2i)"=>"", "region_ids"=>["4"], "onset(2i)"=>"12", "estimated_resolution(1i)"=>"2012", "description"=>"Listings may not migrate (ACT=Z and REQTYP=HB) when line porting has HSI.", "severity_reason"=>"Minimal loss of functionality", "will_call_at(3i)"=>"", "ticket_id"=>"5352829", "onset(3i)"=>"12", "estimated_resolution(2i)"=>"3", "workaround"=>"Providers should validate all listings have migrated successfully via the monthly Verification Proof report, or DLIS.  If you determine a listing has not migrated and was associated with a ported TN with HSI, contact your Listing Account Manager for assistance.", "closed_at(1i)"=>"", "onset(4i)"=>"09", "estimated_resolution(3i)"=>"17", "will_call_at(4i)"=>"", "will_call_at(5i)"=>"", "closed_at(2i)"=>"", "onset(5i)"=>"07", "event_error_msg"=>"", "estimated_resolution(4i)"=>"", "closed_at(3i)"=>"", "new_document_attributes"=>[{"uploaded_document"=>#}], "escalation"=>"", "impact"=>"Listings may not migrate (ACT=Z and REQTYP=CB) when line porting has HSI.", "estimated_resolution(5i)"=>""}, "action"=>"update", "_method"=>"put", "authenticity_token"=>"2c84900beb41fec0fda516b6f022c975fb37148c", "systems"=>[{"id"=>"1"}, {"id"=>"7"}], "id"=>"1554", "controller"=>"notices"}
  Rendering template within layouts/main
  Rendering notices/edit</p>