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: 20.07.2024 @ 15:32
Script: /wbb2/index.php/images/icons/js/sbox_img/banner/portalboxen/board.php?boardid=111%3Fsid%3D0179d74f5e5233d6cc7f243f2fc8941e
Referer: