SQL-DATABASE ERROR

Database error in (): Link-ID == false, connect failed
mysql error:
mysql error number:
mysql version: unknown
php version: 7.4.33
Date: 03.06.2024 @ 04:36
Script: /wbb2/index.php/jgs_galerie.php?sid=57d0447e3e888243126853aa3cbe1e1c
Referer: http://friendsbistro.de/wbb2/index.php/jgs_galerie.php?sid=57d0447e3e888243126853aa3cbe1e1c