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 @ 04:44
Script: /wbb/addreply.php?threadid=5312&sid=2515c7c1b38e28422ca57edcf41c2046
Referer: