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 @ 08:43
Script: /wbb/thread.php?goto=nextnewest&threadid=6787&sid=b7939525a94d174d4f238e3e5c5d2cde
Referer: http://delftseschaaksite.nl/wbb/thread.php?goto=nextnewest&threadid=6787&sid=b7939525a94d174d4f238e3e5c5d2cde