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 @ 22:55
Script: /register.php?sid=ae1cf402c8ad5fe88b3a68c5fc34c043
Referer: