I am following the instructions at https://symfony.com/doc/2.x/bundles/SonataAdminBundle/cookbook/recipe_custom_action.html to build a custom CRUDController in a Symfony/Sonata application.
When I look at the list view, I get the following error message:
An exception has been thrown during the rendering of a template ("Unable to generate a URL for the named route "clone" as such route does not exist.").
Is there additional code needed in order to get the application to recognize my new route?
