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: 06.07.2025 @ 00:39
Script: /newthread.php?boardid=78&sid=0719f1039023ebd49c9c087dc50b3114
Referer: