게시판 복구 가능할까요?

기존 버전 4.7 버전 

http://asit.co.kr/wp-admin/admin-post.php

1. xml 파일다운로드

2. kboard_attached 다운로드

3. 최신버전 업로드 

진행시 오류메세지

Warning: Invalid argument supplied for foreach() in /host/home5/jeilwit/html/wp-content/plugins/foogallery/freemius/includes/managers/class-fs-admin-menu-manager.php on line 493

Warning: DOMDocument::loadXML(): Extra content at the end of the document in Entity, line: 2 in /host/home5/jeilwit/html/wp-content/plugins/kboard/class/XML2Array.class.php on line 47

Fatal error: Uncaught exception 'Exception' with message '[XML2Array] Error parsing the XML string.' in /host/home5/jeilwit/html/wp-content/plugins/kboard/class/XML2Array.class.php:49 Stack trace: #0 /host/home5/jeilwit/html/wp-content/plugins/kboard/class/KBBackup.class.php(115): XML2Array::createArray('<br />\n<b>Warni...') #1 /host/home5/jeilwit/html/wp-content/plugins/kboard/class/KBAdminController.class.php(242): KBBackup->importXml('/tmp/phpRKo2Es') #2 [internal function]: KBAdminController->restore('') #3 /host/home5/jeilwit/html/wp-includes/class-wp-hook.php(286): call_user_func_array(Array, Array) #4 /host/home5/jeilwit/html/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters('', Array) #5 /host/home5/jeilwit/html/wp-includes/plugin.php(453): WP_Hook->do_action(Array) #6 /host/home5/jeilwit/html/wp-admin/admin-post.php(69): do_action('admin_post_kboa...') #7 {main} thrown in /host/home5/jeilwit/html/wp-content/plugins/kboard/class/XML2Array.class.php on line 49