SQL-DATABASE ERROR

Database error in WoltLab Burning Board (): Link-ID == false, connect failed
mysql error: Access denied for user 's162905_1954414'@'sh16-63.1blu.de' (using password: YES)
mysql error number: 1045
mysql version: unknown
php version: 5.3.10-1ubuntu3.22
Date: 29.04.2016 @ 17:52
Script: /wbb2/board.php?boardid=21&page=1&daysprune=1000&sortfield=replycount&sortorder=ASC
Referer: