Fatal error: Can not find class 'WCFSetup'

You get more information about the problem in our knowledge base: http://www.woltlab.com/help/?code=11006

Information:

error message: Can not find class 'WCFSetup'
error code: 11006
file: /var/www/wbblite/upload/install.php (740)
php version: 8.2.28
wcf version:
date: Sat, 15 Mar 2025 02:18:22 +0000
request: /install.php
referer:

Stacktrace:

#0 {main}