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: 16.05.2024 @ 19:58
Script: /wbb2/wortkette.php?sid=7d58722015280e2518356f8fd38d76b3
Referer: http://www.friendsbistro.de/wbb2/wortkette.php?sid=7d58722015280e2518356f8fd38d76b3