anchor.diff:          </button>
         </div>
         <div class="modal-body">
  -        <div class="row justify-content-center" style="display:none" data-target="roster.error">
  +        <div class="row justify-content-center" style="display:none" data-roster-target="error">
             <div class="alert alert-info d-block" role="alert">
               <div class="col col-login">
                 <strong>Could not start entrants.</strong>
  
positive.code: <!--requires local variable 'resource'-->
  
  <div class="modal fade" data-target="roster.startEffortsModal">
    <div class="modal-dialog">
      <div class="modal-content">
        <div class="modal-header">
  
negative.code:               <% if resource == :event_group %>
                  <%= f.hidden_field 'filter[ready_to_start]', value: true %>
                  <%= f.hidden_field 'filter[assumed_start_time]', value: nil,
                                     data: {"roster-target" => 'assumedStartTimeFilter'} %>
                <% end %>
  
                <% if resource == :effort %>
  