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=1203

Information:

error message: Connecting to MySQL server 'localhost' failed.
error code: 1203
sql type: MySQLDatabase
sql error: User quakelive_eu already has more than 'max_user_connections' active connections
sql error number: 1203
sql version:
file: /customers/9/b/0/quakelive.eu/httpd.www/wcf/lib/system/database/MySQLDatabase.class.php (29)
php version: 5.6.36
wcf version: 1.0.10 (Horizon)
date: Tue, 23 Oct 2018 05:36:14 +0000
request: /index.php?page=Thread&threadID=1634&s=ba08a610225f8cb9a2b98c4fc692faf12cfda065
referer:

Stacktrace:

#0 /customers/9/b/0/quakelive.eu/httpd.www/wcf/lib/system/database/Database.class.php(76): MySQLDatabase->connect()
#1 /customers/9/b/0/quakelive.eu/httpd.www/wcf/lib/system/WCF.class.php(270): Database->__construct(...)
#2 /customers/9/b/0/quakelive.eu/httpd.www/wcf/lib/system/WCF.class.php(88): WCF->initDB()
#3 /customers/9/b/0/quakelive.eu/httpd.www/global.php(18): WCF->__construct()
#4 /customers/9/b/0/quakelive.eu/httpd.www/index.php(7): require_once('/customers/9/b/...')
#5 {main}