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: 18.04.2024 @ 13:15
Script: /main/jgs_galerie_melden.php?action=melden&bildid=257&page=1&bilduserid=533&sid=f475ac98b4a4b2ad346a535bf3fd1848
Referer: