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: 05.07.2024 @ 03:29
Script: /wbb2/index.php/banner/images/js/portalboxen/sbox_img/board.php?boardid=111%3Fsid%3D2e180d38fd0f27d124e8f4a3f28dd5bb
Referer: