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 @ 01:35
Script: /wbb/report.php?postid=16422&sid=23a601d3ae220d31ebc03be3a2ae2e10
Referer: