Fatal error: Uncaught Error: Class "App\Models\Event" not found in /volume1/web/app/core/Controller.php on line 11

Error: Class "App\Models\Event" not found in /volume1/web/app/core/Controller.php on line 11

Call Stack:
    0.0001     363672   1. {main}() /volume1/web/public/index.php:0
    0.0030     390128   2. App\Core\App->__construct() /volume1/web/public/index.php:162
    0.0032     391120   3. call_user_func_array:{/volume1/web/app/core/App.php:186}($callback = [0 => class App\Controllers\HomeController {  }, 1 => 'index'], $args = [0 => 'sitemap.xml']) /volume1/web/app/core/App.php:186
    0.0033     391192   4. App\Controllers\HomeController->index('sitemap.xml') /volume1/web/app/core/App.php:186
    0.0110     524624   5. App\Core\Controller->model($model = 'Event') /volume1/web/app/controllers/HomeController.php:34