Fatal error: Uncaught Error: Call to undefined function app() in C:\xampp\htdocs\adminlte3\storage\framework\views\cb9e36e1651545a1034544143e99337af3be8d86.php:1 Stack trace: #0 {main} thrown in C:\xampp\htdocs\adminlte3\storage\framework\views\cb9e36e1651545a1034544143e99337af3be8d86.php on line 1