SQL-DATABASE ERROR

Database error in WoltLab Burning Board (): Link-ID == false, connect failed
mysql error: Access denied for user 'web6'@'localhost' (using password: YES)
mysql error number: 1045
mysql version: unknown
php version: 5.6.40-70+0~20240421.84+debian11~1.gbp0c0ec4
Date: 14.06.2024 @ 19:46
Script: /main/search.php?sid=d8bcf43b7c2f5cfc3745bcfc30583337
Referer: