Fatal error: Class 'socialxeProvider' not found in /home/hosting_user/livu/www/modules/socialxe/provider.xe.php on line 4

이렇게 나오고요.....

provider.xe.php열어 보면

<?php

// XE를 위한 클래스
class socialxeProviderXE extends socialxeProvider{

        // 인스턴스
        function getInstance(&$sessionManager){
                static $instance;
                if (!isset($instance)) $instance = new socialxeProviderXE($sessionManager);
                return $instance;
        }

        // 생성자
        function socialxeProviderXE(&$sessionManager){
                parent::socialxeProvider('xe', $sessionManager);
        }

        // 로그인 여부 갱신
        function syncLogin(){
                $logged_info = Context::get('logged_info');
                if ($logged_info->member_srl){
                        $this->logged_info = $logged_info;
                        $this->setLogin(true);
                }
        }

        // 아이디
        function getId(){
                if (!$this->isLogged())   return;
                return $this->logged_info->user_id;
        }

        // 닉네임
        function getNickName(){
                if (!$this->isLogged())   return;
                return $this->logged_info->nick_name;
        }

        // 프로필 이미지
        function getProfileImage(){
                if (!$this->isLogged())   return;
                $oMemberModel = &getModel('member');
                $profile_info = $oMemberModel->getProfileImage($this->logged_info->member_srl);
                return $profile_info->src;
        }

        // 링크
        function getAuthorLink($id, $nick_name){
                return;
        }

        // 리플 형식 반환
        function getReplyPrefix($id, $nick_name){
                return $nick_name . '//';
        }

        // 리플 형식이 포함되었는지 확인
        function isContainReply($content){
                return false;
        }
}

?>

이건데 4번째 줄이 이상있는건가요? ㅠㅠ
4번째줄이 뭔지도 모르겠단;;;;;
ㅠㅠ