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 @ 04:20
Script: /wbb/misc.php?action=viewip&postid=24281&sid=8cf5c2fc2de6ecb39ee59f7f7e8d4d9f
Referer: http://delftseschaaksite.nl/wbb/misc.php?action=viewip&postid=24281&sid=8cf5c2fc2de6ecb39ee59f7f7e8d4d9f