SQL-DATABASE ERROR

Database error in WoltLab Burning Board: Link-ID == false, connect failed
mysql error: Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)
mysql error number: 2002
Date: 21.05.2024 @ 02:57
Script: /wbb/thread.php?threadid=3811&sid=9329ec281e3d6bb477517a9d6ec1d2bf
Referer: http://delftseschaaksite.nl/wbb/thread.php?threadid=3811&sid=9329ec281e3d6bb477517a9d6ec1d2bf