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=2002

Information:

error message: Connecting to MySQL server 'localhost' failed.
error code: 2002
sql type: MySQLDatabase
sql error: Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)
sql error number: 2002
sql version:
file: /var/www/vhosts/casperworld.com/httpdocs/forum/wcf/lib/system/database/MySQLDatabase.class.php (29)
php version: 5.5.38-1~dotdeb+7.1
wcf version: 1.0.10 (Horizon)
date: Sun, 28 Apr 2024 01:03:45 +0000
request: /forum/index.php?page=Thread&threadID=12763&action=firstNew&s=130ee06e8efacd50fbaf52aec0aab68aee56954a
referer:

Stacktrace:

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