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 @ 03:44
Script: /wbb/report.php?postid=25644&sid=d522b12b8fbc73f5998f1afa938ae68c
Referer: