Fatal error: Connecting to MySQL server 'mysql5-24' failed.

You get more information about the problem in our knowledge base: http://www.woltlab.com/help/?code=2013

Information:

error message: Connecting to MySQL server 'mysql5-24' failed.
error code: 2013
sql type: MySQLDatabase
sql error: Lost connection to MySQL server at 'reading initial communication packet', system error: 104
sql error number: 2013
sql version:
file: /home/woltlab/demo/forum1/wcf/lib/system/database/MySQLDatabase.class.php (29)
php version: 5.2.17
wcf version: 1.0.10 (Horizon)
date: Mon, 16 Sep 2019 14:13:29 +0000
request: /forum1/index.php?page=Blog&s=bfa6df64fe9cbf39a80da09768f1b08279bf101e
referer:

Stacktrace:

#0 /home/woltlab/demo/forum1/wcf/lib/system/database/Database.class.php(76): MySQLDatabase->connect()
#1 /home/woltlab/demo/forum1/wcf/lib/system/WCF.class.php(270): Database->__construct(...)
#2 /home/woltlab/demo/forum1/wcf/lib/system/WCF.class.php(88): WCF->initDB()
#3 /home/woltlab/demo/forum1/global.php(18): WCF->__construct()
#4 /home/woltlab/demo/forum1/index.php(7): require_once('/home/woltlab/d...')
#5 {main}