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: 08.07.2025 @ 10:31
Script: /profile.php?userid=637&sid=2361bb73eb2e50596b108c78183cefe2
Referer: