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 @ 00:38
Script: /wbb/editpost.php?postid=31268&sid=2e7b8dc8ca42b6bb17cc504ff5ba0ce7
Referer: http://delftseschaaksite.nl/wbb/editpost.php?postid=31268&sid=2e7b8dc8ca42b6bb17cc504ff5ba0ce7