1.8.11버전으로 PHP 7.4.10으로 이전 했는데 /classes/object/Object.class.php on line 9 오류

[XE Server Environment 2023-10-01]

realpath : 
location : ko
package : XE
host : 
app : Apache
xe_version : 1.8.11
php : 5.5.27
db_type : mysql
use_rewrite : Y
use_db_session : Y
use_ssl : none
phpext : core, ereg, libxml, openssl, sqlite3, zlib, bcmath, calendar, curl, dba, fileinfo, ftp, gd, gettext, iconv, intl, mbstring, mcrypt, mysql, mysqli, pdo_mysql, pdo_sqlite, phar, simplexml, soap, sockets, exif, wddx, xml, xmlreader, xmlrpc, xmlwriter, zip, okname, cpclient, memcache, ioncube loader, zend guard loader, zend opcache
module : adminlogging(1.7), antiaccess(1.0.3.1), board(1.7.2), imageprocess(2.1.1.1), krzip(1.8.0), nspam(1.4.1), seo(1.8.19), syndication(5.0.0)
addon : adminlogging(1.7), captcha_member(1.7), css3pie(1.3.3.0), exif(0.9.2.2), member_join_captcha(0.1.4), oembed(1.0), opengraph(0.1.2), point_pang_pang(0.6), rainbow_link(0.3), soo_login_defencer(2011.12.21), webfont(1.1.3.1)
layout : PXE_clio(1.0.2), sketchbook5(1.6.3.6), Tony(1.0), xe_official(1.7), xedition(1.9), titanuim_white(2.1), user_layout(1.7)
widget : contentextended(2.43), counter_status(1.7), newest_document(1.0), tab_newest_document(0.1), tag_list(0.1)
widgetstyle : lineBox(0.1), simple(1.7)
max_file_uploads : 30
post_max_size : 25M
memory_limit : 128M

위 서버 환경에서

php 7.4.10 환경으로 이전을 하니까 

Fatal error: Cannot use 'Object' as class name as it is reserved in /classes/object/Object.class.php on line 9 오류가 뜨는데 찾아보니 아래와 같은 정보를 찾았습니다.

https://xe1.xpressengine.com/qna/23334665 여기서 활동중이신분이 답을 하셨더라구요

그래서 다시 5.5.27 롤백한 다음 1.11까지 올리고 라이믹스 파일을 덮어쓰면 될까요??