Error

App\Models\Portfolio::countPublished(): Argument #1 ($categoryId) must be of type ?int, string given, called in /home/abbasov/qapi.abbasov.net/app/Controllers/CategoryController.php on line 25

#0 /home/abbasov/qapi.abbasov.net/app/Controllers/CategoryController.php(25): App\Models\Portfolio->countPublished()
#1 [internal function]: App\Controllers\CategoryController->show()
#2 /home/abbasov/qapi.abbasov.net/app/Core/Router.php(128): call_user_func_array()
#3 /home/abbasov/qapi.abbasov.net/app/Core/Router.php(38): App\Core\Router->callHandler()
#4 /home/abbasov/qapi.abbasov.net/public/index.php(64): App\Core\Router->dispatch()
#5 {main}