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 @ 07:30
Script: /index.php?sid=df8dce2b2ab31fc5c50f2c3c5bd8c20c
Referer: