Fatal error: Uncaught Error: Class "Whoops\Handler\Handler" not found in C:\xampp\htdocs\adminlte3\vendor\spatie\laravel-ignition\src\Renderers\IgnitionWhoopsHandler.php:10 Stack trace: #0 {main} thrown in C:\xampp\htdocs\adminlte3\vendor\spatie\laravel-ignition\src\Renderers\IgnitionWhoopsHandler.php on line 10