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: 21.01.2025 @ 22:24
Script: /thread.php?threadid=5941&page=1&sid=5917f3585c2b8bef12e9e835715cdb57
Referer: