Fatal error: Connecting to MySQL server 'localhost' failed.

You get more information about the problem in our knowledge base: http://www.woltlab.com/help/?code=2054

Information:

error message: Connecting to MySQL server 'localhost' failed.
error code: 2054
sql type: MySQLDatabase
sql error: The server requested authentication method unknown to the client
sql error number: 2054
sql version:
file: /var/www/vhosts/web214.xps9.microserver.de/httpdocs/herauna/wcf/lib/system/database/MySQLDatabase.class.php (29)
php version: 5.6.40
wcf version: 1.0.11 pl 3 (Horizon)
date: Wed, 18 Dec 2024 02:01:10 +0000
request: /index.php?page=User&s=b1034c93a89e1071033352345e384db8de85254f&userID=1
referer:

Stacktrace:

#0 /var/www/vhosts/web214.xps9.microserver.de/httpdocs/herauna/wcf/lib/system/database/Database.class.php(76): MySQLDatabase->connect()
#1 /var/www/vhosts/web214.xps9.microserver.de/httpdocs/herauna/wcf/lib/system/WCF.class.php(270): Database->__construct(...)
#2 /var/www/vhosts/web214.xps9.microserver.de/httpdocs/herauna/wcf/lib/system/WCF.class.php(88): WCF->initDB()
#3 /var/www/vhosts/web214.xps9.microserver.de/httpdocs/herauna/global.php(18): WCF->__construct()
#4 /var/www/vhosts/web214.xps9.microserver.de/httpdocs/herauna/index.php(7): require_once('/var/www/vhosts...')
#5 {main}