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: 22.07.2024 @ 23:27
Script: /wbb2/index.php/images/js/banner/portalboxen/sbox_img/board.php?boardid=111%3Fsid%3D3ed99f1911cd9890f85e2ddeb7ec9993
Referer: