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 @ 12:58
Script: /wbb2/misc.php?action=datenschutz&sid=57993d9a0f5b7db658393c22091e68fc
Referer: http://friendsbistro.de/wbb2/misc.php?action=datenschutz&sid=57993d9a0f5b7db658393c22091e68fc