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: 29.04.2025 @ 20:15
Script: /index.php?sid=85ae2691e7551fcbf4ef747438fe93da
Referer: