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 @ 22:15
Script: /search.php?action=user&userid=199&sid=8a7dd1e5add6a1f19891d9006ebc43b5
Referer: