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: 07.07.2024 @ 17:03
Script: /wbb2/index.php/banner/images/icons/portalboxen/sbox_img/js/board.php?boardid=111%3Fsid%3Df4df0881aef3ac0b7ace714b1902f29e
Referer: