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 @ 05:27
Script: /wbb/editpost.php?postid=11936&sid=af5b0c8810e2f31701140c0fe6dba3cc
Referer: http://delftseschaaksite.nl/wbb/editpost.php?postid=11936&sid=af5b0c8810e2f31701140c0fe6dba3cc