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 @ 05:53
Script: /wbb2/board.php?boardid=8&sid=06c5bd5a8b6a64aa76d6c4d7b80ec0ae
Referer: