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 @ 08:41
Script: /wbb/editpost.php?postid=1978&sid=21ade60a2c68d2285f701efa0f77b0dd
Referer: http://delftseschaaksite.nl/wbb/editpost.php?postid=1978&sid=21ade60a2c68d2285f701efa0f77b0dd