vps xe 설치 중 오류;

기존 xe

http://133.130.96.128/html/

순정?

http://133.130.96.128/xe/

라이믹스

http://133.130.96.128/rm

Fatal error: Uncaught Error: Call to undefined function simplexml_load_string() in /home/xynex/www/xe/classes/context/Context.class.php:204 Stack trace: #0 /home/xynex/www/xe/index.php(46): Context->init() #1 {main} thrown in/home/xynex/www/xe/classes/context/Context.class.php on line 204

이런 오류 메시지가 뜹니다. 서버에서 뭘 안해줘서 그런 건가요?;

라이믹스는 좀 다른데..

Fatal error: Uncaught Error: Call to undefined function xml_parser_create() in /home/xynex/www/rm/classes/xml/XmlParser.class.php:128 Stack trace: #0 /home/xynex/www/rm/classes/xml/XmlLangParser.class.php(121): XmlParser->parse('<?xml version='...') #1 /home/xynex/www/rm/classes/xml/XmlLangParser.class.php(75): XmlLangParser->_compile() #2 /home/xynex/www/rm/classes/context/Context.class.php(1004): XmlLangParser->compile() #3 /home/xynex/www/rm/classes/context/Context.class.php(934): Context->_loadXmlLang('/home/xynex/www...') #4 /home/xynex/www/rm/classes/context/Context.class.php(341): Context::loadLang('/home/xynex/www...') #5 /home/xynex/www/rm/index.php(47): Context->init() #6 {main} thrown in/home/xynex/www/rm/classes/xml/XmlParser.class.php on line 128