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: 15.05.2024 @ 19:14
Script: /wbb2/register.php?sid=d40f502eb076b6cf242ac5ad5d7bca1d
Referer: http://www.friendsbistro.de/wbb2/register.php?sid=d40f502eb076b6cf242ac5ad5d7bca1d