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: 15.07.2025 @ 23:00
Script: /index.php?sid=4896c2f0d0029d1d5a458abe0a75a5e0
Referer: