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 @ 20:46
Script: /search.php?action=user&userid=102&sid=5d64c2af702cef96be5f1f972f22c7a8
Referer: