SQL-DATABASE ERROR

Database error in (): Link-ID == false, connect failed
mysql error:
mysql error number:
mysql version: unknown
php version: 7.4.33-nmm5
Date: 01.07.2024 @ 03:00
Script: /wbb2/index.php/images/js/banner/portalboxen/board.php?boardid=111%3Fsid%3D3b015dad881887c068cafd4e33f3d1a2
Referer: