Fatal error: Uncaught Error: Call to undefined function app() in C:\xampp\htdocs\adminlte3\storage\framework\views\97efcdb160ca14ffb938bfc6a13a97d0534d1bfb.php:1 Stack trace: #0 {main} thrown in C:\xampp\htdocs\adminlte3\storage\framework\views\97efcdb160ca14ffb938bfc6a13a97d0534d1bfb.php on line 1