You get more information about the problem in our knowledge base: http://www.woltlab.com/help/?code=1045
error message: Connecting to MySQL server 'localhost' failed.
error code: 1045
sql type: MySQLDatabase
sql error: Access denied for user 'sandi'@'localhost' (using password: YES)
sql error number: 1045
sql version:
file: /home/sandi/domains/spam-forum.s-andi.de/public_html/wcf/lib/system/database/MySQLDatabase.class.php (29)
php version: 5.6.40-95+ubuntu24.04.1+deb.sury.org+1
wcf version: 1.0.10 (Horizon)
date: Sat, 07 Mar 2026 06:50:32 +0000
request: //index.php?page=Thread&threadID=25900
referer:
#0 /home/sandi/domains/spam-forum.s-andi.de/public_html/wcf/lib/system/database/Database.class.php(76): MySQLDatabase->connect()
#1 /home/sandi/domains/spam-forum.s-andi.de/public_html/wcf/lib/system/WCF.class.php(270): Database->__construct(...)
#2 /home/sandi/domains/spam-forum.s-andi.de/public_html/wcf/lib/system/WCF.class.php(88): WCF->initDB()
#3 /home/sandi/domains/spam-forum.s-andi.de/public_html/global.php(18): WCF->__construct()
#4 /home/sandi/domains/spam-forum.s-andi.de/public_html/index.php(7): require_once('/home/sandi/dom...')
#5 {main}