Fatal error: Uncaught Error: Call to undefined function app() in C:\xampp\htdocs\adminlte3\storage\framework\views\dad797c3bf1557168a6c2c61545f4926375c8c6e.php:1 Stack trace: #0 {main} thrown in C:\xampp\htdocs\adminlte3\storage\framework\views\dad797c3bf1557168a6c2c61545f4926375c8c6e.php on line 1