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 @ 23:30
Script: /thread.php?threadid=4046&page=3&sid=35875972ef7eba86787221f9ca09a471
Referer: