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 @ 01:00
Script: /wbb2/team.php?sid=8fe2efa4aaf108c6f6e33333e8a4ff5d
Referer: http://friendsbistro.de/wbb2/team.php?sid=8fe2efa4aaf108c6f6e33333e8a4ff5d