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: 13.05.2024 @ 07:24
Script: /wbb2/jgs_portal_box.php?id=5&sid=4accd63a03e449e4f445377d8787d510
Referer: http://www.friendsbistro.de/wbb2/jgs_portal_box.php?id=5&sid=4accd63a03e449e4f445377d8787d510