HTML doesn't have an </input> field.

share/templates/helpers/datatables_field.tt

@@ -31,7 +31,7 @@ $(document).ready(function() {
 		    		    { "mData": "[% f %]" },
                         [% END -%]
 		    		    { "mRender": function ( data, type, full ) {
-                                return '<input type="checkbox" value="' + full.id + '"></input>';
+                                return '<input type="checkbox" value="' + full.id + '"/>';
                             },
                           "mData": null,
                           "bSortable": false
@@ -56,7 +56,7 @@ $(document).ready(function() {
 <div class="control-group [% IF errors.size %]error[% END %]">
      <label class="control-label" for="[% table_id %]">[% label %]</label>
      <div class="controls">
-         <input type="hidden" name="[% field_name %]" value="[% value %]" id="[% hidden_id %]"></input>
+         <input type="hidden" name="[% field_name %]" value="[% value %]" id="[% hidden_id %]"/>
          <table class="table table-bordered table-striped table-highlight table-hover" id="[% table_id %]">
             <thead>
                 <tr>

share/templates/helpers/pref_table.tt

@@ -138,9 +138,9 @@
         [% FOREACH v IN helper.preference.all %]
             <div class="row-fluid">
             [% IF v.value.substr(0,1) == '#' %]
-                <input type="text" value="[% v.value.substr(1) %]" disabled="disabled" class="ngcp-entry-disabled"></input>
+                <input type="text" value="[% v.value.substr(1) %]" disabled="disabled" class="ngcp-entry-disabled"/>
             [% ELSE %]
-                <input type="text" value="[% v.value %]" disabled="disabled"></input>
+                <input type="text" value="[% v.value %]" disabled="disabled"/>
             [% END %]
             <a class="btn btn-primary pull-right" href="?delete=[% v.id %]"><i class="icon-trash"></i></a>
             [% IF v.value.substr(0,1) == '#' %]