Unexpected error!

count(): Argument #1 ($value) must be of type Countable|array, null given. We are notified and will solve the problem as soon as possible.

#0 /home/wedrowki/domains/wedrowkigorskie.pl/app/app/Models/Areas.php(322): count() #1 /home/wedrowki/domains/wedrowkigorskie.pl/app/app/Views/Towns.php(43): app\Models\Areas->getListDescription() #2 /home/wedrowki/domains/wedrowkigorskie.pl/src/vendor/gelembjuk/webapp/src/Gelembjuk/WebApp/View.php(95): app\Views\Towns->view() #3 /home/wedrowki/domains/wedrowkigorskie.pl/src/vendor/gelembjuk/webapp/src/Gelembjuk/WebApp/Controller.php(191): Gelembjuk\WebApp\View->doView() #4 /home/wedrowki/domains/wedrowkigorskie.pl/src/vendor/gelembjuk/webapp/src/Gelembjuk/WebApp/Application.php(226): Gelembjuk\WebApp\Controller->action() #5 /home/wedrowki/domains/wedrowkigorskie.pl/public/index.php(5): Gelembjuk\WebApp\Application->action() #6 {main}