Fatal error: Uncaught Error: Call to undefined function app() in C:\xampp\htdocs\adminlte3\storage\framework\views\0c00b60d4a4808bab5fecaadc5e2189913aadd5d.php:1 Stack trace: #0 {main} thrown in C:\xampp\htdocs\adminlte3\storage\framework\views\0c00b60d4a4808bab5fecaadc5e2189913aadd5d.php on line 1