Некорректная работа модуля Разделы статей

public function getSubCats($parent_id, $recurse=false, $left_key, $right_key) {
 
		if($recurse){
			$where = "NSLeft > $left_key AND NSRight < $right_key";
		} else {
			$where = "parent_id = '$parent_id'";
		}
 
        $sql = "SELECT *
                FROM cms_category
                WHERE {$where} AND published = 1 ORDER BY NSLeft";
 
        $result = $this->inDB->query($sql);
 
        if (!$this->inDB->num_rows($result)) { return false; }
 
        while($subcat = $this->inDB->fetch_assoc($result)){
 
            $subcat['content_count'] = $this->getArticleCountFromCat($subcat['NSLeft'], $subcat['NSRight']);
			$subcat['url']           = $this->getCategoryURL(null, $subcat['seolink']);
 
            $subcats[] = $subcat;
 
        }
 
        $subcats = cmsCore::callEvent('GET_CONTENT_SUBCATS', $subcats);
 
        return $subcats;
 
    }