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: 22.05.2024 @ 17:36
Script: /wbb2/profile.php?userid=250&sid=58fdb9b818f7bb63c38fed716beed810
Referer: http://friendsbistro.de/wbb2/profile.php?userid=250&sid=58fdb9b818f7bb63c38fed716beed810