Unable to Call to Controller Method with Uncaught TypeError: stripos()

I would like to call to the `loadDashboard()` method in `\App\Http\Controllers\DashboardController` class but failed. The program are somethings like:
```php
use Common\DatabaseConnection;
use Bramus\Router\Router;
use Opis\Database\Database;
use App\Http\Controllers\DashboardController;

$router = new Router();
$router->get('/', [DashboardController::class, 'loadDashboard']);
$router->run();
```

## Error Message
```php
Fatal error: Uncaught TypeError: stripos(): Argument #1 ($haystack) must be of type string, array given in
C:\xampp\htdocs\EVS\vendor\bramus\router\src\Bramus\Router\Router.php:462 Stack trace: #0
C:\xampp\htdocs\EVS\vendor\bramus\router\src\Bramus\Router\Router.php(462): stripos(Array, '@') #1
C:\xampp\htdocs\EVS\vendor\bramus\router\src\Bramus\Router\Router.php(440): Bramus\Router\Router->invoke(Array, Array) #2
C:\xampp\htdocs\EVS\vendor\bramus\router\src\Bramus\Router\Router.php(287): Bramus\Router\Router->handle(Array, true) #3
C:\xampp\htdocs\EVS\router.php(251): Bramus\Router\Router->run() #4
{main} thrown in C:\xampp\htdocs\EVS\vendor\bramus\router\src\Bramus\Router\Router.php on line 462
```

Please help to resolve the issue.

Start with the callable passed to Router::get() in router.php and trace Router.php through run(), handle(), and invoke(), especially line 462 where stripos() receives the array. Reproduce the reported controller route and determine whether the array callable is supported; done means the route invokes loadDashboard() without the TypeError.

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