Fatal error: Uncaught Error: Call to undefined function app() in C:\xampp\htdocs\adminlte3\storage\framework\views\ba7ed28903e9182842ddea9fe4b99b6273531374.php:1 Stack trace: #0 {main} thrown in C:\xampp\htdocs\adminlte3\storage\framework\views\ba7ed28903e9182842ddea9fe4b99b6273531374.php on line 1