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: 14.05.2024 @ 19:50
Script: /wbb2/misc.php?action=faq&sid=5168b2d3d195bc86dcd61ecaab0f5908
Referer: http://friendsbistro.de/wbb2/misc.php?action=faq&sid=5168b2d3d195bc86dcd61ecaab0f5908