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 @ 14:42
Script: /wbb2/calendar.php?sid=378ed92216982b34e06b2037845a09da
Referer: