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: 16.04.2024 @ 04:14
Script: /wbb2/calendar.php?sid=c89a7358720318ffb49dca2f7fe2ecfd
Referer: