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: 30.06.2025 @ 22:54
Script: /index.php?sid=b8a752d1de0fa3377eab7a392feac0cc
Referer: