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 @ 00:54
Script: /wbb/thread.php?threadid=6608&sid=e6f49e0b1a2af7194e8efb6453f852df
Referer: http://www.delftseschaaksite.nl/wbb/thread.php?threadid=6608&sid=e6f49e0b1a2af7194e8efb6453f852df