Exception thrown when handling an exception (Twig_Error_Runtime: An exception has been thrown during the rendering of a template ("Unable to generate a URL for the named route "index_index" as such route does not exist.").)

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(1/1) RecordNotFound

Couldn't find SummerSchools\Entity\Course with ID=1974

in Model.php line 1678
at Model::find_by_pk('1974', array('conditions' => array('id' => '1974')))in Model.php line 1605
at Model::find('1974')in RedirectController.php line 18
at RedirectController->indexAction(object(Request), object(Application))
at call_user_func_array(array(object(RedirectController), 'indexAction'), array(object(Request), object(Application)))in HttpKernel.php line 144
at HttpKernel->handleRaw(object(Request), 1)in HttpKernel.php line 64
at HttpKernel->handle(object(Request), 1, true)in Application.php line 586
at Application->handle(object(Request))in Application.php line 563
at Application->run()in index.php line 26