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: 15.07.2025 @ 23:11
Script: /search.php?action=user&userid=102&sid=f754044183dbd96060ac2c02cc31d2ee
Referer: