Fatal error: Uncaught Error: Call to undefined function app() in C:\xampp\htdocs\adminlte3\storage\framework\views\38f805ba2239a2622fe9c3fd7d8092ed15787f89.php:1 Stack trace: #0 {main} thrown in C:\xampp\htdocs\adminlte3\storage\framework\views\38f805ba2239a2622fe9c3fd7d8092ed15787f89.php on line 1