rescue added for the previous feature

app/controllers/admin/users_new_interface_controller.rb

@@ -30,7 +30,7 @@ class Admin::UsersNewInterfaceController <  OrbitMemberController
   end
 
   def approve_selected
-    users = params[:userids]
+    users = params[:userids] || []
     users.each do |user|
       approve_method user
     end
@@ -38,7 +38,7 @@ class Admin::UsersNewInterfaceController <  OrbitMemberController
   end
 
   def delete_selected
-    users = params[:userids]
+    users = params[:userids] || []
     users.each do |user|
       u = User.find(user)
       u.destroy