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: 5.6.40-68+0~20230902.80+debian11~1.gbpa2012b
Date: 19.04.2024 @ 00:00
Script: /main/jgs_galerie_melden.php?action=melden&bildid=252&page=3&bilduserid=533&sid=ffdd40d5176739a1b3a9be900388cd5c
Referer: