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 @ 09:58
Script: /main/jgs_galerie_melden.php?action=melden&bildid=248&page=24&bilduserid=1&sid=5ace3ca878de8a0e9084a967f8f8a408
Referer: