diff --git a/app/assets/javascripts/samples/sample_datatable.js.erb b/app/assets/javascripts/samples/sample_datatable.js.erb
index be02b5c44..ae6d86fa1 100644
--- a/app/assets/javascripts/samples/sample_datatable.js.erb
+++ b/app/assets/javascripts/samples/sample_datatable.js.erb
@@ -1293,7 +1293,18 @@ function changeToEditMode() {
           modal.modal('show');
         },
         error: function(xhr) {
-          // TODO
+          dropdownList.sortable('disable');
+          $(li).clearFormErrors();
+          var msg = $.parseJSON(xhr.responseText);
+
+          renderFormError(undefined,
+                          $(li).find('.text-edit'),
+                          Object.keys(msg)[0] + ' ' + msg.name.toString());
+          var verticalHeight = $(li).offset().top;
+          dropdownList.scrollTo(verticalHeight,0);
+          setTimeout(function() {
+            $(li).clearFormErrors();
+          }, 5000);
         }
       });
     });
diff --git a/app/views/my_modules/_state_buttons.html.erb b/app/views/my_modules/_state_buttons.html.erb
index f1068201c..756c82c02 100644
--- a/app/views/my_modules/_state_buttons.html.erb
+++ b/app/views/my_modules/_state_buttons.html.erb
@@ -13,3 +13,4 @@
     </div>
   <% end %>
 </div>
+<span data-hook="my_module-protocol-buttons"></span>