Fatal error: Connecting to MySQL server 'db4.cwsurf.de' failed.

You get more information about the problem in our knowledge base: http://www.woltlab.com/help/?code=1040

Information:

error message: Connecting to MySQL server 'db4.cwsurf.de' failed.
error code: 1040
sql type: MySQLDatabase
sql error: Too many connections
sql error number: 1040
sql version:
file: /home/www/cwcity/hosting/r/a/ratgeber/htdocs/wbb3/wcf/lib/system/database/MySQLDatabase.class.php (29)
php version: 5.3.27
wcf version: 1.0.11 pl 4 (Horizon)
date: Thu, 20 Nov 2014 22:22:08 +0000
request: /wbb3/index.php?page=Thread&postID=3169
referer:

Stacktrace:

#0 /home/www/cwcity/hosting/r/a/ratgeber/htdocs/wbb3/wcf/lib/system/database/Database.class.php(76): MySQLDatabase->connect()
#1 /home/www/cwcity/hosting/r/a/ratgeber/htdocs/wbb3/wcf/lib/system/WCF.class.php(270): Database->__construct(...)
#2 /home/www/cwcity/hosting/r/a/ratgeber/htdocs/wbb3/wcf/lib/system/WCF.class.php(88): WCF->initDB()
#3 /home/www/cwcity/hosting/r/a/ratgeber/htdocs/wbb3/global.php(18): WCF->__construct()
#4 /home/www/cwcity/hosting/r/a/ratgeber/htdocs/wbb3/index.php(7): require_once('/home/www/cwcit...')
#5 {main}