Fatal error: Uncaught Error: Call to undefined function app() in C:\xampp\htdocs\adminlte3\storage\framework\views\773912766eef0849db19460ba94d220e9be2db4a.php:1 Stack trace: #0 {main} thrown in C:\xampp\htdocs\adminlte3\storage\framework\views\773912766eef0849db19460ba94d220e9be2db4a.php on line 1