Fatal error: Uncaught Error: Call to undefined function app() in C:\xampp\htdocs\adminlte3\storage\framework\views\c5e9b123fad71089c0c586a9a5a923c51c47ec00.php:1 Stack trace: #0 {main} thrown in C:\xampp\htdocs\adminlte3\storage\framework\views\c5e9b123fad71089c0c586a9a5a923c51c47ec00.php on line 1