- Проверяем форму

common/modules/school/controllers/CourseController.php

@@ -60,7 +60,7 @@ class CourseController extends FrontendController
         $form = new \common\components\BaseForm('/common/modules/users/forms/RegistrationUserForm', $modelUser);
         return $this->render('index', ['dataProvider' => $dataProvider, 
             /*'formPopup' => $formPopup->out, 'formLoginPopup' => $formLoginPopup->out*/
-            'formLogin' => $form->out
+            'form' => $form->out
         ]);
     }