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: 28.03.2024 @ 18:31
Script: /wbb2/search.php?action=user&userid=1586&sid=41af586d52e1c9d505bb67fbbcb62e8e
Referer: