Check for the presence of validation errors in the session, and add it to the view

modules/cms/classes/Controller.php

@@ -235,6 +235,13 @@ class Controller extends BaseController
             'environment' => App::environment(),
         ];
 
+        /*
+         * Check for the presence of validation errors in the session.
+         */
+        $this->vars['errors'] = (Config::get('session.driver') && \Session::has('errors'))
+            ? \Session::get('errors')
+            : new \Illuminate\Support\ViewErrorBag;
+
         /*
          * Handle AJAX requests and execute the life cycle functions
          */