TEXTYLE을 설치하고 TEXTYLE생성하고나서 TEXTYLE블로그이동하려니

밑에와같이 TEXTYLE에러가 납니다

어떻게해야하나요?/

Fatal error: Call to undefined method content::_getCommentItems() in /home/hosting_user/wikizzz/xe/widgets/content/content.class.php on line 123

content.class.php

123라인을 살펴보니        

                            $content_items = $this->_getCommentItems($args);
이부분인데요

에러잡는법아시는분 좀 도와주세요

content.class.php========

             * 컨텐츠 추출, 게시글/댓글/엮인글/RSS등 다양한 요소가 있어서 각 method를 따로 만듬
             **/
            // tab 형태
            if($args->tab_type == 'none' || $args->tab_type == '') {
                switch($args->content_type){
                    case 'comment':
                            $content_items = $this->_getCommentItems($args);
                        break;
                    case 'image':
                            $content_items = $this->_getImageItems($args);
                        break;
                    case 'rss':
                            $content_items = $this->getRssItems($args);
                        break;
                    case 'trackback':
                            $content_items = $this->_getTrackbackItems($args);
                        break;
                    default:
                            $content_items = $this->_getDocumentItems($args);
                        break;