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: 09.07.2025 @ 08:06
Script: /thread.php?threadid=5635&page=4&sid=5da474d0bcb37e32bfddf8170d155f81
Referer: