Fatal error: Uncaught Error: Call to undefined function app() in C:\xampp\htdocs\adminlte3\storage\framework\views\f8ae05dd7b5ce88fac7b01b0bdeb988777b3ffb8.php:1 Stack trace: #0 {main} thrown in C:\xampp\htdocs\adminlte3\storage\framework\views\f8ae05dd7b5ce88fac7b01b0bdeb988777b3ffb8.php on line 1