classes/extravar/extravar.class.php
line 219 부분의 아래의       를 삭제 ㅅ하세요.
 // 다중 선택
                case 'checkbox' :
                        $buff .= '<ul>';
                        foreach($default as $v) {
                            if($value && in_array($v, $value)) $checked = ' checked="checked"';
                            else $checked = '';
                            $buff .='<li><input type="checkbox" name="'.$column_name.'" value="'.htmlspecialchars($v).'" '.$checked.' />'.$v.'</li>';
                        }