Problema con creacion de query en ORM

[tuadmin]

Código PHP:

   foreach($child_categories as $child_category) {
               $ads_images->select('seotitle')
                ->where('id_category', "=", $category);
               foreach($childs as $tmp){
                        $ads_images->and_where('id_category', "=", $tmp);
               }
               $ads_images = $ads_images->limit(5)->find_all();