Fatal error: Uncaught Error: Call to undefined function app() in C:\xampp\htdocs\adminlte3\storage\framework\views\0d3a07ee5756b6824abd4d04c6d9d0a3581af13e.php:1 Stack trace: #0 {main} thrown in C:\xampp\htdocs\adminlte3\storage\framework\views\0d3a07ee5756b6824abd4d04c6d9d0a3581af13e.php on line 1