Fatal error: Uncaught Error: Call to undefined function app() in D:\xampp\htdocs\lux_PHP\vendor\barryvdh\laravel-debugbar\src\debugbar-routes.php:14 Stack trace: #0 {main} thrown in D:\xampp\htdocs\lux_PHP\vendor\barryvdh\laravel-debugbar\src\debugbar-routes.php on line 14