Fatal error: Uncaught TypeError: App\Models\DataModel::getVideoCategoryBySlug(): Argument #1 ($slug) must be of type string, array given, called in /www/wwwroot/caomei2.com/app/Models/DataModel.php on line 820 and defined in /www/wwwroot/caomei2.com/app/Models/DataModel.php:783 Stack trace: #0 /www/wwwroot/caomei2.com/app/Models/DataModel.php(820): App\Models\DataModel->getVideoCategoryBySlug() #1 /www/wwwroot/caomei2.com/app/Controllers/CategoryController.php(26): App\Models\DataModel->getCategoryBySlug() #2 /www/wwwroot/caomei2.com/public/index.php(49): App\Controllers\CategoryController->show() #3 [internal function]: {closure}() #4 /www/wwwroot/caomei2.com/app/Core/Router.php(19): call_user_func_array() #5 /www/wwwroot/caomei2.com/public/index.php(80): App\Core\Router->dispatch() #6 {main} thrown in /www/wwwroot/caomei2.com/app/Models/DataModel.php on line 783