Fatal error: Connecting to MySQL server 'rdbms.strato.de' failed.

You get more information about the problem in our knowledge base: http://www.woltlab.com/help/?code=1045

Information:

error message: Connecting to MySQL server 'rdbms.strato.de' failed.
error code: 1045
sql type: MySQLDatabase
sql error: Access denied for user 'U381373'@'carmilla.store' (using password: YES)
sql error number: 1045
sql version:
file: /mnt/web6/d1/06/5895706/htdocs/aktiv-dortmund/wcf/lib/system/database/MySQLDatabase.class.php (29)
php version: 5.3.29
wcf version: 1.0.11 pl 3 (Horizon)
date: Sat, 10 Dec 2016 10:39:50 +0000
request: /
referer:

Stacktrace:

#0 /mnt/web6/d1/06/5895706/htdocs/aktiv-dortmund/wcf/lib/system/database/Database.class.php(76): MySQLDatabase->connect()
#1 /mnt/web6/d1/06/5895706/htdocs/aktiv-dortmund/wcf/lib/system/WCF.class.php(270): Database->__construct(...)
#2 /mnt/web6/d1/06/5895706/htdocs/aktiv-dortmund/wcf/lib/system/WCF.class.php(88): WCF->initDB()
#3 /mnt/web6/d1/06/5895706/htdocs/aktiv-dortmund/global.php(18): WCF->__construct()
#4 /mnt/web6/d1/06/5895706/htdocs/aktiv-dortmund/index.php(7): require_once('/mnt/web6/d1/06...')
#5 {main}