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: 18.04.2024 @ 23:23
Script: /wbb2/index.php?hidecat=1&sid=3442a7e46d3b06c0bf12f1553ac65ac6
Referer: