Fatal error: Connecting to MySQL server 'localhost:/tmp/mysql.sock' 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 'localhost:/tmp/mysql.sock' failed.
error code: 1040
sql type: MySQLDatabase
sql error: Too many connections
sql error number: 1040
sql version:
file: /homepages/8/d222676091/htdocs/alleinerziehendnet/wbb/wcf/lib/system/database/MySQLDatabase.class.php (29)
php version: 5.2.17
wcf version: 1.0.11 pl 3 (Horizon)
date: Mon, 11 Nov 2019 20:39:07 +0000
request: /index.php?page=User&userID=30877
referer:

Stacktrace:

#0 /homepages/8/d222676091/htdocs/alleinerziehendnet/wbb/wcf/lib/system/database/Database.class.php(76): MySQLDatabase->connect()
#1 /homepages/8/d222676091/htdocs/alleinerziehendnet/wbb/wcf/lib/system/WCF.class.php(270): Database->__construct(...)
#2 /homepages/8/d222676091/htdocs/alleinerziehendnet/wbb/wcf/lib/system/WCF.class.php(88): WCF->initDB()
#3 /homepages/8/d222676091/htdocs/alleinerziehendnet/wbb/global.php(18): WCF->__construct()
#4 /homepages/8/d222676091/htdocs/alleinerziehendnet/wbb/index.php(7): require_once('/homepages/8/d2...')
#5 {main}