SQL-DATABASE ERROR

Database error in WoltLab Burning Board (): Link-ID == false, connect failed
mysql error: Access denied for user 'root'@'localhost' (using password: YES)
mysql error number: 1045
mysql version: unknown
php version: 5.6.40-1~dotdeb+7.1
Date: 29.03.2024 @ 00:19
Script: /wbb2/usercp.php?action=favorites&sid=0bbd0b84b378e066bad61597a9cc4f37
Referer: