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: 05.07.2025 @ 18:30
Script: /search.php?action=user&userid=872&sid=4ac65d6788f5874dd574c0835eae6c0c
Referer: